1 k 8 -6 6 O -8 7 3 2 Let A = 0 0 k 3 -7 0 0 0 7 -6 0 0 0 0 9 choose When is det(A) > 0?

Q: Let A = -7 -7 08 Find - 3A. -3A =

A:

Q: Find A + 0. 3 -7 0 0 0 = 0 0 A = %3D 8 -9 A+0 =

A: Given that two matrix and we solve use the addition rule of matrix and find (A+O).   Here i attached…

Q: (2z2 + 2z - 1) - (2z? - 3z + 7) = 5z- 8 O True O False

A: Evaluating the value of the expression

Q: Hw/ If 2x, - X2 + 3 X3=2 メi+3X2- メ3=11 2 Xー2×2+ 5X3=3 %3D Then Find The values X, X2

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Q: 1.25a +3> 0.5a-6 and 2.5a 129-1.5a

A:

Q: (c) The equation of the line containing the points (– 2, – 2) and (2,5) is y = 1.75x + 1.5. Compute…

A: The sum of the squared residuals for the line containing the points ( -2,2) and( 2,5) is =?

Q: Let a, = 1 and a₁ + a1 = n² + 2n, n ≥2. Evaluate S

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Q: (s-4) L-lis2-85-9). Find L-1

A:

Q: (22) Let A = (-∞, -2] and B = (102, ∞).

A: Given A=(-∞, -2] , B=(102, ∞). Now, the union of two sets consists all those elements that belong to…

Q: 9 – 4x > –3

A: The given inequality is 9-4x>-3

Q: [1 2 3] ii) Let A = 4 5 6 and B = 5 L78 5] L3 of C32? [-5-5 71 [C11 C12 C13 - 2 4. Suppose BA = |C21…

A: First we state the general formula for multiplication of two matrices and then solve this particular…

Q: Evaluate L- { 3 2s (s+2)² (s–2)*

A: we need to determine the laplace invesreℒ-132s-3s+22+ss-24

Q: Min Z= 4X1 + 2X2 ST: 3X1+X2 26 X1 +X2 24 XX2 20 Min Z=4x1 + 5x2 ST: X1+ 2X2 25 6X1 + 6X2 2 18 X1,X2…

A:

Q: 6 5 3 5 6 2 Let D =| 4 -5 7 and E = 1 0 7 1 0 -3 2 5 Find - 5D- 6E.

A: given matrices are

Q: * Let z1 = 2 + i and z2 = 5 + 2 i. Find 3 z1/ ( z1 - z2) - (12/ 10 ) - (3/10)i O (1/10 ) + ( 3/10) i…

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Q: -2 7 -6 Let F= 4 4 | and G= 7 1 -1 2 - 4 2 Find – 6F+ 4G.

A:

Q: evaluate L-1 { t/(s-2)(s+3)}

A: By using partial fraction and table of Laplace transform we solve the given problem as follows :

Q: 3. Let 中- 3x3 ーy2 +4×y+2x-3y-5 find マ中 %3D

A:

Q: Find L[cosh 7t] s2-49 7 s2+49 s2+49 7 2 O O O C

A:

Q: sーy-xゴャx |

A: Given that y dy/dx -xy^2+x=0

Q: 3xy (x + 1) = 3x²y + 3xy O True O False

A:

Q: Consider the function f (same as in the previous problem) defined on the interval [0, 10] as…

A: Given Data: fx=35xx∈0,53x∈5, 10-y''=λy, y0=0, y'10=0To find: cn

Q: e x + > 2 , x 0

A: The given equation isx+1x>2x≠0

Q: (3 + 5y +7{ ) 2+y? 200 + y02 exists if lim r)(0.0)

A: This is a problem of multi variable calculus.

Q: find -1 2 5+1 s(5+1)²

A:

Q: 2(3y+1)<-10

A:

Q: 5(x+1) =x+1 if x = 1. O True O False

A: By solving this equation we get,

Q: 6 8. 6x - 3y = 15 4x – 3y =-5

A:

Q: ú 1 5 1|5 y

A: The given line passing through the points:(1, 2)    and   (0, -3)

Q: -1 2 5 2 7 -5 Let B = and C = 2 5 3 2 3 5 Find -4B+ 5C.

A: We have, B = -125253 C = 27-5235 To evaluate: The value of -4B+5C

Q: 22. 8t-12|=6(t-1) 24. 7y-3+1=0

A: To solve the equation.

Q: Evaluate ITT Q6 1 1-x 4-x-y x dzdydx 00

A: