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Math Advanced Math Fundamentals of Differential Equations (9th Edition)

The general solution to the differential equation y ″ ( θ ) + 16 y ( θ ) = sec 4 θ . The general solution to the differential equation y ″ ( θ ) + 16 y ( θ ) = sec 4 θ is y ( θ ) = c 1 cos 4 θ + c 2 sin 4 θ + 1 16 ln | cos 4 θ | cos 4 θ + θ 4 sin 4 θ _ . Procedure used: Method of variation of parameters: The following are the steps to obtain a particular solution to a y ″ + b y ′ + c y = f . (i) Find two linearly independent solutions { y 1 ( t ) , y 2 ( t ) } to the corresponding homogenous equation and take y p ( t ) = v 1 ( t ) y 1 ( t ) + v 2 ( t ) y 2 ( t ) . (ii) Determine v 1 ( t ) and v 2 ( t ) by solving the below system for v ′ 1 ( t ) and v ′ 2 ( t ) and integrating. y 1 v ′ 1 + y 2 v ′ 2 = 0 y ′ 1 v ′ 1 + y ′ 2 v ′ 2 = f a This can be simplified using Cramer’s rule as, v ′ 1 ( t ) = − f ( t ) y 2 ( t ) a [ y 1 ( t ) y ′ 2 ( t ) − y ′ 1 ( t ) y 2 ( t ) ] and v ′ 2 ( t ) = f ( t ) y 1 ( t ) a [ y 1 ( t ) y ′ 2 ( t ) − y ′ 1 ( t ) y 2 ( t ) ] (iii) Substitute v 1 ( t ) and v 2 ( t ) into the expression for y p ( t ) to obtain a particular solution. Calculation: The given differential equation is, y ″ ( θ ) + 16 y ( θ ) = sec 4 θ . Compare y ″ ( θ ) + 16 y ( θ ) = sec 4 θ with the general equation form a y ″ + b y ′ + c y = f to obtain a = 1 , b = 0 , c = 16 and f = sec 4 θ . The corresponding auxiliary equation is r 2 + 16 = 0 . Simplify r 2 + 16 = 0 as, r 2 = − 16 r = ± − 16 r = ± 4 i ( ∵ i = − 1 ) That is, the roots are r 1 = 4 i and r 2 = − 4 i . Here, α = 0 and β = 4 . Thus, the general solution for the homogenous equation is y ( θ ) = c 1 cos 4 θ + c 2 sin 4 θ . That is, the two independent solutions to the homogenous equation y ″ + 16 y = 0 are cos 4 θ and sin 4 θ . Let y 1 ( θ ) = cos 4 θ and y 2 ( θ ) = sin 4 θ . Then, y ′ 1 ( θ ) = − 4 sin 4 θ and y ′ 2 ( θ ) = 4 cos 4 θ . Set the particular solution y p ( t ) = v 1 ( t ) y 1 ( t ) + v 2 ( t ) y 2 ( t ) for y as a function of θ will be, y p ( θ ) = v 1 ( θ ) cos 4 θ + v 2 ( θ ) sin 4 θ . Thus, the system of equations y 1 v ′ 1 + y 2 v ′ 2 = 0 and y ′ 1 v ′ 1 + y ′ 2 v ′ 2 = f a for a = 1 , y 1 ( θ ) = cos 4 θ , y 2 ( θ ) = sin 4 θ , y ′ 1 ( θ ) = − 4 sin 4 θ , y ′ 2 ( θ ) = 4 cos 4 θ and f = sec 4 θ becomes, cos 4 θ ( v ′ 1 ) + sin 4 θ ( v ′ 2 ) = 0 … ( 1 ) − 4 sin 4 θ ( v ′ 1 ) + 4 cos 4 θ ( v ′ 2 ) = sec 4 θ … ( 2 ) Multiply equation (1) by 4 sin 4 θ and equation (2) by cos 4 θ ; and then add as follows: 4 sin 4 θ cos 4 θ ( v ′ 1 ) + 4 ( sin 4 θ ) 2 ( v ′ 2 ) = 0 + − 4 sin 4 θ cos 4 θ ( v ′ 1 ) + 4 ( cos 4 θ ) 2 ( v ′ 2 ) = 1 _ 0 + 4 ( sin 4 θ ) 2 ( v ′ 2 ) + 4 ( cos 4 θ ) 2 ( v ′ 2 ) = 1 Simplify 4 ( sin 4 θ ) 2 ( v ′ 2 ) + 4 ( cos 4 θ ) 2 ( v ′ 2 ) = 1 as, ( v ′ 2 ) 4 [ ( sin 4 θ ) 2 + ( cos 4 θ ) 2 ] = 1 ( v ′ 2 ) [ 4 ] = 1 ( ∵ ( sin 4 θ ) 2 + ( cos 4 θ ) 2 = 1 ) v ′ 2 = 1 4 Integrating v ′ 2 ( θ ) = 1 4 gives, v 2 ( θ ) = ∫ v ′ 2 ( θ ) d θ = ∫ 1 4 d θ = θ 4 + C 1 Substitute v ′ 2 ( θ ) = 1 4 in equation (1), cos 4 θ ( v ′ 1 ) + sin 4 θ ( v ′ 2 ) = 0 cos 4 θ ( v ′ 1 ) + 1 4 sin 4 θ = 0 cos 4 θ ( v ′ 1 ) = − 1 4 sin 4 θ v ′ 1 = − 1 4 sin 4 θ cos 4 θ v ′ 1 = − 1 4 tan 4 θ Integrating v ′ 1 ( θ ) = − 1 4 tan 4 θ gives, v 1 ( θ ) = ∫ v ′ 1 ( θ ) = ∫ − 1 4 tan 4 θ d θ = 1 16 ln | cos 4 θ | + C 2 Since particular solution is to be obtained, take both C 1 and C 2 zero for simplicity. That is, v 1 ( θ ) = 1 16 ln | cos 4 θ | and v 2 ( θ ) = θ 4 . Thus, the particular solution y p ( θ ) = v 1 ( θ ) cos 4 θ + v 2 ( θ ) sin 4 θ becomes, y p ( θ ) = 1 16 ln | cos 4 θ | cos 4 θ + θ 4 sin 4 θ . Combine the general solution y ( θ ) = c 1 cos 4 θ + c 2 sin 4 θ of the corresponding homogenous equation and the particular solution y p ( θ ) = 1 16 ln | cos 4 θ | cos 4 θ + θ 4 sin 4 θ to obtain y ( θ ) = c 1 cos 4 θ + c 2 sin 4 θ + 1 16 ln | cos 4 θ | cos 4 θ + θ 4 sin 4 θ . Therefore, the general solution to the differential equation y ″ ( θ ) + 16 y ( θ ) = sec 4 θ is y ( θ ) = c 1 cos 4 θ + c 2 sin 4 θ + 1 16 ln | cos 4 θ | cos 4 θ + θ 4 sin 4 θ _ .

The general solution to the differential equation y ″ ( θ ) + 16 y ( θ ) = sec 4 θ . The general solution to the differential equation y ″ ( θ ) + 16 y ( θ ) = sec 4 θ is y ( θ ) = c 1 cos 4 θ + c 2 sin 4 θ + 1 16 ln | cos 4 θ | cos 4 θ + θ 4 sin 4 θ _ . Procedure used: Method of variation of parameters: The following are the steps to obtain a particular solution to a y ″ + b y ′ + c y = f . (i) Find two linearly independent solutions { y 1 ( t ) , y 2 ( t ) } to the corresponding homogenous equation and take y p ( t ) = v 1 ( t ) y 1 ( t ) + v 2 ( t ) y 2 ( t ) . (ii) Determine v 1 ( t ) and v 2 ( t ) by solving the below system for v ′ 1 ( t ) and v ′ 2 ( t ) and integrating. y 1 v ′ 1 + y 2 v ′ 2 = 0 y ′ 1 v ′ 1 + y ′ 2 v ′ 2 = f a This can be simplified using Cramer’s rule as, v ′ 1 ( t ) = − f ( t ) y 2 ( t ) a [ y 1 ( t ) y ′ 2 ( t ) − y ′ 1 ( t ) y 2 ( t ) ] and v ′ 2 ( t ) = f ( t ) y 1 ( t ) a [ y 1 ( t ) y ′ 2 ( t ) − y ′ 1 ( t ) y 2 ( t ) ] (iii) Substitute v 1 ( t ) and v 2 ( t ) into the expression for y p ( t ) to obtain a particular solution. Calculation: The given differential equation is, y ″ ( θ ) + 16 y ( θ ) = sec 4 θ . Compare y ″ ( θ ) + 16 y ( θ ) = sec 4 θ with the general equation form a y ″ + b y ′ + c y = f to obtain a = 1 , b = 0 , c = 16 and f = sec 4 θ . The corresponding auxiliary equation is r 2 + 16 = 0 . Simplify r 2 + 16 = 0 as, r 2 = − 16 r = ± − 16 r = ± 4 i ( ∵ i = − 1 ) That is, the roots are r 1 = 4 i and r 2 = − 4 i . Here, α = 0 and β = 4 . Thus, the general solution for the homogenous equation is y ( θ ) = c 1 cos 4 θ + c 2 sin 4 θ . That is, the two independent solutions to the homogenous equation y ″ + 16 y = 0 are cos 4 θ and sin 4 θ . Let y 1 ( θ ) = cos 4 θ and y 2 ( θ ) = sin 4 θ . Then, y ′ 1 ( θ ) = − 4 sin 4 θ and y ′ 2 ( θ ) = 4 cos 4 θ . Set the particular solution y p ( t ) = v 1 ( t ) y 1 ( t ) + v 2 ( t ) y 2 ( t ) for y as a function of θ will be, y p ( θ ) = v 1 ( θ ) cos 4 θ + v 2 ( θ ) sin 4 θ . Thus, the system of equations y 1 v ′ 1 + y 2 v ′ 2 = 0 and y ′ 1 v ′ 1 + y ′ 2 v ′ 2 = f a for a = 1 , y 1 ( θ ) = cos 4 θ , y 2 ( θ ) = sin 4 θ , y ′ 1 ( θ ) = − 4 sin 4 θ , y ′ 2 ( θ ) = 4 cos 4 θ and f = sec 4 θ becomes, cos 4 θ ( v ′ 1 ) + sin 4 θ ( v ′ 2 ) = 0 … ( 1 ) − 4 sin 4 θ ( v ′ 1 ) + 4 cos 4 θ ( v ′ 2 ) = sec 4 θ … ( 2 ) Multiply equation (1) by 4 sin 4 θ and equation (2) by cos 4 θ ; and then add as follows: 4 sin 4 θ cos 4 θ ( v ′ 1 ) + 4 ( sin 4 θ ) 2 ( v ′ 2 ) = 0 + − 4 sin 4 θ cos 4 θ ( v ′ 1 ) + 4 ( cos 4 θ ) 2 ( v ′ 2 ) = 1 _ 0 + 4 ( sin 4 θ ) 2 ( v ′ 2 ) + 4 ( cos 4 θ ) 2 ( v ′ 2 ) = 1 Simplify 4 ( sin 4 θ ) 2 ( v ′ 2 ) + 4 ( cos 4 θ ) 2 ( v ′ 2 ) = 1 as, ( v ′ 2 ) 4 [ ( sin 4 θ ) 2 + ( cos 4 θ ) 2 ] = 1 ( v ′ 2 ) [ 4 ] = 1 ( ∵ ( sin 4 θ ) 2 + ( cos 4 θ ) 2 = 1 ) v ′ 2 = 1 4 Integrating v ′ 2 ( θ ) = 1 4 gives, v 2 ( θ ) = ∫ v ′ 2 ( θ ) d θ = ∫ 1 4 d θ = θ 4 + C 1 Substitute v ′ 2 ( θ ) = 1 4 in equation (1), cos 4 θ ( v ′ 1 ) + sin 4 θ ( v ′ 2 ) = 0 cos 4 θ ( v ′ 1 ) + 1 4 sin 4 θ = 0 cos 4 θ ( v ′ 1 ) = − 1 4 sin 4 θ v ′ 1 = − 1 4 sin 4 θ cos 4 θ v ′ 1 = − 1 4 tan 4 θ Integrating v ′ 1 ( θ ) = − 1 4 tan 4 θ gives, v 1 ( θ ) = ∫ v ′ 1 ( θ ) = ∫ − 1 4 tan 4 θ d θ = 1 16 ln | cos 4 θ | + C 2 Since particular solution is to be obtained, take both C 1 and C 2 zero for simplicity. That is, v 1 ( θ ) = 1 16 ln | cos 4 θ | and v 2 ( θ ) = θ 4 . Thus, the particular solution y p ( θ ) = v 1 ( θ ) cos 4 θ + v 2 ( θ ) sin 4 θ becomes, y p ( θ ) = 1 16 ln | cos 4 θ | cos 4 θ + θ 4 sin 4 θ . Combine the general solution y ( θ ) = c 1 cos 4 θ + c 2 sin 4 θ of the corresponding homogenous equation and the particular solution y p ( θ ) = 1 16 ln | cos 4 θ | cos 4 θ + θ 4 sin 4 θ to obtain y ( θ ) = c 1 cos 4 θ + c 2 sin 4 θ + 1 16 ln | cos 4 θ | cos 4 θ + θ 4 sin 4 θ . Therefore, the general solution to the differential equation y ″ ( θ ) + 16 y ( θ ) = sec 4 θ is y ( θ ) = c 1 cos 4 θ + c 2 sin 4 θ + 1 16 ln | cos 4 θ | cos 4 θ + θ 4 sin 4 θ _ .

Solution Summary: The author explains the steps to obtain a particular solution to the differential equation y′′(theta

Fundamentals of Differential Equations (9th Edition)

Fundamentals of Differential Equations (9th Edition)

9th Edition

ISBN: 9780321977069

Author: R. Kent Nagle, Edward B. Saff, Arthur David Snider

Publisher: PEARSON

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Fundamentals of Differential Equations (9th Edition)

Ch. 4.1 - Verify that for b = 0 and Fext(t) = 0, equation...Ch. 4.1 - If Fext(t) = 0, equation (3) becomes my + by + ky...Ch. 4.1 - Show that if Fext(t) = 0, m = 1, k = 9, and b = 6,...Ch. 4.1 - Verify that y = sin 3t + 2 cos 3t is a solution to...Ch. 4.1 - Prob. 5E Ch. 4.1 - An external force F(t) = 2 cos 2t is applied to a...Ch. 4.1 - Prob. 7E Ch. 4.1 - In Problems 79, find a synchronous solution of the...Ch. 4.1 - In Problems 79, find a synchronous solution of the...Ch. 4.1 - Prob. 10E

Ch. 4.2 - In Problems 112, find a general solution to the...Ch. 4.2 - In Problems 112, find a general solution to the...Ch. 4.2 - Prob. 3E Ch. 4.2 - In Problems 112, find a general solution to the...Ch. 4.2 - Prob. 5E Ch. 4.2 - Prob. 6E Ch. 4.2 - Prob. 7E Ch. 4.2 - Prob. 8E Ch. 4.2 - Prob. 9E Ch. 4.2 - Prob. 10E Ch. 4.2 - In Problems 112, find a general solution to the...Ch. 4.2 - In Problems 112, find a general solution to the...Ch. 4.2 - In Problems 1320, solve the given initial value...Ch. 4.2 - In Problems 1320, solve the given initial value...Ch. 4.2 - Prob. 15E Ch. 4.2 - In Problems 1320, solve the given initial value...Ch. 4.2 - Prob. 17E Ch. 4.2 - Prob. 18E Ch. 4.2 - Prob. 19E Ch. 4.2 - In Problems 1320, solve the given initial value...Ch. 4.2 - Prob. 21E Ch. 4.2 - Prob. 22E Ch. 4.2 - Prob. 23E Ch. 4.2 - Prob. 24E Ch. 4.2 - Prob. 25E Ch. 4.2 - Prob. 26E Ch. 4.2 - In Problems 2732, use Definition 1 to determine...Ch. 4.2 - In Problems 2732, use Definition 1 to determine...Ch. 4.2 - In Problems 2732, use Definition 1 to determine...Ch. 4.2 - In Problems 2732, use Definition 1 to determine...Ch. 4.2 - Prob. 31E Ch. 4.2 - Prob. 32E Ch. 4.2 - Prob. 33E Ch. 4.2 - Prob. 34E Ch. 4.2 - Prob. 35E Ch. 4.2 - Using the definition in Problem 35, prove that if...Ch. 4.2 - Prob. 37E Ch. 4.2 - Prob. 38E Ch. 4.2 - Prob. 39E Ch. 4.2 - Prob. 40E Ch. 4.2 - In Problems 3741, find three linearly independent...Ch. 4.2 - Prob. 42E Ch. 4.2 - Prob. 43E Ch. 4.2 - Solve the initial value problem: y 2y y + 2y =...Ch. 4.2 - Prob. 45E Ch. 4.2 - Prob. 46E Ch. 4.3 - In Problems 18, the auxiliary equation for the...Ch. 4.3 - In Problems 18, the auxiliary equation for the...Ch. 4.3 - In Problems 18, the auxiliary equation for the...Ch. 4.3 - In Problems 18, the auxiliary equation for the...Ch. 4.3 - Prob. 5E Ch. 4.3 - Prob. 6E Ch. 4.3 - In Problems 18, the auxiliary equation for the...Ch. 4.3 - In Problems 18, the auxiliary equation for the...Ch. 4.3 - In Problems 920, find a general solution. 9. y 8y...Ch. 4.3 - In Problems 920, find a general solution. 10. y +...Ch. 4.3 - Prob. 11E Ch. 4.3 - Prob. 12E Ch. 4.3 - In Problems 920, find a general solution. 13. y ...Ch. 4.3 - Prob. 14E Ch. 4.3 - Prob. 15E Ch. 4.3 - Prob. 16E Ch. 4.3 - In Problems 920, find a general solution. 17. y y...Ch. 4.3 - In Problems 920, find a general solution. 18. 2y +...Ch. 4.3 - Prob. 19E Ch. 4.3 - In Problems 920, find a general solution. 20. y y...Ch. 4.3 - In Problems 2127, solve the given initial value...Ch. 4.3 - Prob. 22E Ch. 4.3 - Prob. 23E Ch. 4.3 - In Problems 2127, solve the given initial value...Ch. 4.3 - Prob. 25E Ch. 4.3 - In Problems 2127, solve the given initial value...Ch. 4.3 - Prob. 27E Ch. 4.3 - Prob. 28E Ch. 4.3 - Prob. 29E Ch. 4.3 - Prob. 30E Ch. 4.3 - Prob. 31E Ch. 4.3 - Prob. 32E Ch. 4.3 - Prob. 33E Ch. 4.3 - Prob. 34E Ch. 4.3 - Swinging Door. The motion of a swinging door with...Ch. 4.3 - Prob. 36E Ch. 4.3 - Prob. 37E Ch. 4.3 - Prove the sum of angles formula for the sine...Ch. 4.4 - In Problems 18, decide whether or not the method...Ch. 4.4 - Prob. 2E Ch. 4.4 - Prob. 3E Ch. 4.4 - Prob. 4E Ch. 4.4 - Prob. 5E Ch. 4.4 - Prob. 6E Ch. 4.4 - Prob. 7E Ch. 4.4 - Prob. 8E Ch. 4.4 - In Problems 926, find a particular solution to the...Ch. 4.4 - In Problems 926, find a particular solution to the...Ch. 4.4 - In Problems 926, find a particular solution to the...Ch. 4.4 - In Problems 926, find a particular solution to the...Ch. 4.4 - In Problems 926, find a particular solution to the...Ch. 4.4 - In Problems 926, find a particular solution to the...Ch. 4.4 - In Problems 926, find a particular solution to the...Ch. 4.4 - Prob. 16E Ch. 4.4 - In Problems 926, find a particular solution to the...Ch. 4.4 - Prob. 18E Ch. 4.4 - Prob. 19E Ch. 4.4 - In Problems 926, find a particular solution to the...Ch. 4.4 - In Problems 926, find a particular solution to the...Ch. 4.4 - In Problems 926, find a particular solution to the...Ch. 4.4 - Prob. 23E Ch. 4.4 - Prob. 24E Ch. 4.4 - Prob. 25E Ch. 4.4 - Prob. 26E Ch. 4.4 - Prob. 27E Ch. 4.4 - Prob. 28E Ch. 4.4 - Prob. 29E Ch. 4.4 - Prob. 30E Ch. 4.4 - Prob. 31E Ch. 4.4 - Prob. 32E Ch. 4.4 - Prob. 33E Ch. 4.4 - Prob. 34E Ch. 4.4 - Prob. 35E Ch. 4.4 - In Problems 3336, use the method of undetermined...Ch. 4.5 - Given that y1(t) = cos t is a solution to y y + y...Ch. 4.5 - Prob. 2E Ch. 4.5 - Prob. 3E Ch. 4.5 - Prob. 4E Ch. 4.5 - Prob. 5E Ch. 4.5 - Prob. 6E Ch. 4.5 - Prob. 7E Ch. 4.5 - In Problems 38, a nonhomogeneous equation and a...Ch. 4.5 - Prob. 9E Ch. 4.5 - Prob. 10E Ch. 4.5 - Prob. 11E Ch. 4.5 - Prob. 12E Ch. 4.5 - Prob. 13E Ch. 4.5 - In Problems 916 decide whether the method of...Ch. 4.5 - Prob. 15E Ch. 4.5 - Prob. 16E Ch. 4.5 - Prob. 17E Ch. 4.5 - Prob. 18E Ch. 4.5 - Prob. 19E Ch. 4.5 - In Problems 1722, find a general solution to the...Ch. 4.5 - Prob. 21E Ch. 4.5 - Prob. 22E Ch. 4.5 - Prob. 23E Ch. 4.5 - Prob. 24E Ch. 4.5 - Prob. 25E Ch. 4.5 - Prob. 26E Ch. 4.5 - Prob. 27E Ch. 4.5 - Prob. 28E Ch. 4.5 - Prob. 29E Ch. 4.5 - Prob. 30E Ch. 4.5 - In Problems 3136, determine the form of a...Ch. 4.5 - In Problems 3136, determine the form of a...Ch. 4.5 - Prob. 33E Ch. 4.5 - In Problems 3136, determine the form of a...Ch. 4.5 - Prob. 35E Ch. 4.5 - Prob. 36E Ch. 4.5 - Prob. 37E Ch. 4.5 - Prob. 38E Ch. 4.5 - In Problems 3740, find a particular solution to...Ch. 4.5 - Prob. 40E Ch. 4.5 - Prob. 41E Ch. 4.5 - Prob. 42E Ch. 4.5 - Prob. 43E Ch. 4.5 - Prob. 44E Ch. 4.5 - Prob. 46E Ch. 4.5 - Prob. 47E Ch. 4.5 - Prob. 48E Ch. 4.6 - Prob. 1E Ch. 4.6 - In Exercises 12, rectangles have been drawn to...Ch. 4.6 - Prob. 3E Ch. 4.6 - Prob. 4E Ch. 4.6 - Prob. 5E Ch. 4.6 - Prob. 6E Ch. 4.6 - Prob. 7E Ch. 4.6 - Prob. 8E Ch. 4.6 - Prob. 9E Ch. 4.6 - Prob. 10E Ch. 4.6 - Prob. 11E Ch. 4.6 - Prob. 12E Ch. 4.6 - Prob. 13E Ch. 4.6 - Prob. 14E Ch. 4.6 - Prob. 15E Ch. 4.6 - In Exercises 1318, use a calculator or a computer...Ch. 4.6 - Prob. 17E Ch. 4.6 - In Exercises 1318, use a calculator or a computer...Ch. 4.6 - For f(x) = 3x + 2, evaluate the Riemann sums: (a)...Ch. 4.6 - For g(x) = 4x 1, evaluate the Riemann sums: (a)...Ch. 4.6 - Prob. 21E Ch. 4.6 - Use Table 5.9 to evaluate the Riemann sums: Table...Ch. 4.6 - The graph of f(t) is in Figure 5.40. Which of the...Ch. 4.6 - Prob. 24E Ch. 4.6 - Prob. 25E Ch. 4.7 - In Problems 1 through 4, use Theorem 5 to discuss...Ch. 4.7 - In Problems 1 through 4, use Theorem 5 to discuss...Ch. 4.7 - Prob. 3E Ch. 4.7 - In Problems 1 through 4, use Theorem 5 to discuss...Ch. 4.7 - Prob. 5E Ch. 4.7 - In Problems 5 through 8, determine whether Theorem...Ch. 4.7 - Prob. 7E Ch. 4.7 - In Problems 5 through 8, determine whether Theorem...Ch. 4.7 - Prob. 9E Ch. 4.7 - In Problems 9 through 14, find a general solution...Ch. 4.7 - Prob. 11E Ch. 4.7 - In Problems 9 through 14, find a general solution...Ch. 4.7 - Prob. 13E Ch. 4.7 - In Problems 9 through 14, find a general solution...Ch. 4.7 - In Problems 15 through 18, find a general solution...Ch. 4.7 - In Problems 15 through 18, find a general solution...Ch. 4.7 - Prob. 17E Ch. 4.7 - Prob. 18E Ch. 4.7 - Prob. 19E Ch. 4.7 - Prob. 20E Ch. 4.7 - Prob. 21E Ch. 4.7 - Prob. 22E Ch. 4.7 - Prob. 23E Ch. 4.7 - Solve the following CauchyEuler equations by using...Ch. 4.7 - Prob. 25E Ch. 4.7 - Prob. 26E Ch. 4.7 - Prob. 27E Ch. 4.7 - Prob. 28E Ch. 4.7 - Prove that if y1 and y2 are linearly independent...Ch. 4.7 - Prob. 30E Ch. 4.7 - Prob. 31E Ch. 4.7 - Prob. 32E Ch. 4.7 - Prob. 33E Ch. 4.7 - Prob. 34E Ch. 4.7 - Prob. 35E Ch. 4.7 - Prob. 36E Ch. 4.7 - Prob. 37E Ch. 4.7 - Prob. 38E Ch. 4.7 - Prob. 39E Ch. 4.7 - Prob. 40E Ch. 4.7 - Prob. 41E Ch. 4.7 - In Problems 41 through 44, a differential equation...Ch. 4.7 - Prob. 43E Ch. 4.7 - Prob. 44E Ch. 4.7 - Prob. 45E Ch. 4.7 - Prob. 46E Ch. 4.7 - Prob. 47E Ch. 4.7 - Prob. 48E Ch. 4.7 - Prob. 49E Ch. 4.7 - Prob. 50E Ch. 4.7 - Prob. 51E Ch. 4.7 - Prob. 52E Ch. 4.8 - Prob. 1E Ch. 4.8 - Prob. 2E Ch. 4.8 - Try to predict the qualitative features of the...Ch. 4.8 - Prob. 4E Ch. 4.8 - Prob. 5E Ch. 4.8 - Prob. 6E Ch. 4.8 - Prob. 7E Ch. 4.8 - Prob. 8E Ch. 4.8 - Prob. 9E Ch. 4.8 - Prob. 10E Ch. 4.8 - Prob. 11E Ch. 4.8 - Use reduction of order to derive the solution...Ch. 4.8 - Prob. 13E Ch. 4.8 - Prob. 14E Ch. 4.8 - Prob. 15E Ch. 4.8 - Prob. 16E Ch. 4.8 - Prob. 17E Ch. 4.9 - Prob. 1E Ch. 4.9 - All problems refer to the massspring configuration...Ch. 4.9 - Prob. 3E Ch. 4.9 - Prob. 4E Ch. 4.9 - Prob. 5E Ch. 4.9 - Prob. 6E Ch. 4.9 - Prob. 7E Ch. 4.9 - Prob. 8E Ch. 4.9 - All problems refer to the massspring configuration...Ch. 4.9 - Prob. 10E Ch. 4.9 - Prob. 11E Ch. 4.9 - Prob. 12E Ch. 4.9 - Prob. 13E Ch. 4.9 - Prob. 14E Ch. 4.9 - Prob. 15E Ch. 4.9 - Prob. 16E Ch. 4.9 - Prob. 17E Ch. 4.9 - Prob. 18E Ch. 4.10 - In the following problems, take g = 32 ft/sec2 for...Ch. 4.10 - Prob. 2E Ch. 4.10 - Prob. 3E Ch. 4.10 - Prob. 4E Ch. 4.10 - Prob. 5E Ch. 4.10 - Prob. 6E Ch. 4.10 - Prob. 7E Ch. 4.10 - Prob. 8E Ch. 4.10 - In the following problems, take g = 32 ft/sec2 for...Ch. 4.10 - Prob. 10E Ch. 4.10 - Prob. 11E Ch. 4.10 - Prob. 12E Ch. 4.10 - In the following problems, take g = 32 ft/sec2 for...Ch. 4.10 - Prob. 14E Ch. 4.10 - Prob. 15E Ch. 4 - In Problems 128, find a general solution to the...Ch. 4 - Prob. 2RP Ch. 4 - Prob. 3RP Ch. 4 - Prob. 4RP Ch. 4 - Prob. 5RP Ch. 4 - Prob. 6RP Ch. 4 - Prob. 7RP Ch. 4 - Prob. 8RP Ch. 4 - Prob. 9RP Ch. 4 - Prob. 10RP Ch. 4 - Prob. 11RP Ch. 4 - Prob. 12RP Ch. 4 - Prob. 13RP Ch. 4 - Prob. 14RP Ch. 4 - Prob. 15RP Ch. 4 - Prob. 16RP Ch. 4 - Prob. 17RP Ch. 4 - In Problems 128, find a general solution to the...Ch. 4 - Prob. 19RP Ch. 4 - Prob. 20RP Ch. 4 - Prob. 21RP Ch. 4 - Prob. 22RP Ch. 4 - Prob. 23RP Ch. 4 - Prob. 24RP Ch. 4 - Prob. 25RP Ch. 4 - Prob. 26RP Ch. 4 - Prob. 27RP Ch. 4 - Prob. 28RP Ch. 4 - Prob. 29RP Ch. 4 - Prob. 30RP Ch. 4 - Prob. 31RP Ch. 4 - Prob. 32RP Ch. 4 - Prob. 33RP Ch. 4 - Prob. 34RP Ch. 4 - Prob. 35RP Ch. 4 - Prob. 36RP Ch. 4 - Prob. 37RP Ch. 4 - Prob. 38RP Ch. 4 - A 32-lb weight is attached to a vertical spring,...Ch. 4 - Prob. 1TWE Ch. 4 - Prob. 2TWE Ch. 4 - Prob. 3TWE Ch. 4 - For students with a background in linear algebra:...

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