Use the method of variation of parameters to find the general solution of each of the following equations. 1. y"+y = sec x. 2. y"+y cot x. EXERCISE 22 - 9. y" + 2y + y 10. y"+y = csc x. e* log x.

Q: 32. Solve: Vx 8 V2x9 =1 -

A: We add sqrt(2x+9) to both sides

Q: Solve the following equation. 20r^2-13r=15

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Q: Solve 2sin^2 x-9sinx=5 Give the general solution

A: 2sin2x-9sinx=52sin2x-9sinx-5=02sin2x-10sinx+sinx-5=02sinx+1sinx-5=0

Q: y' + 18y" + 81y' 0. =

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Q: solve by completeing the sqaure  9y^2+30y-32=0

A: Given:

Q: = Complete the following truth table. Use T for true and F for false. You may add more columns, but…

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Q: Solve in intermediate step form (x+a)^2 -3x^2=-18x+102

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Q: Solve by using u substitution and factoring:  x+x^1/2-20=0

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Q: Solve the equation : y^4+4y^2-5=0 answer should be -2+i but I need an explanation

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Q: a^2+5a=0 2 solutions.

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Q: 8x – 5y = 21 -x+ y= 0

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Q: Use the equation (x-1)^2+(y+3)^2=12 find the radius and show steps

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Q: solve

A: Given, solve for x 3(5-3x)-4=-15

Q: x^2 + 4 = 16x What type of roots does the equation have ?

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Q: Solve for X: (x+4)^2=25

A: To solve for .