Solve the following ODEs by making an appropriate change of variable: 1-3y - 9x (a) (y² − x²) dy -2ry, (b) dr 1+ y + 3x dy dz =

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A:

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A: We can make it easier for you

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A: Our Aim is to integrate the following expression given below:-∫ex(2e2x-4ex-1)dx  -(i)

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Q: Solve the following ODEs by making an appropriate change of variable: dy 1-3y-9r (b) = dr 1+ y + 3x…

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Q: 2メy dx +x°dy=o

A: Let's find.