Consider the differential equation dy + x²y = x³y cosx. dx Select the option that gives the first step applying the separation of variables method to this differential equation. Select one: [ydy = [x² (-x + cos x) dx = √ x² (-x + cos x) da 11 dy dy [ydy=[2²cos z dz dx [=dy - [ 2² cos z dz = x dx x

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A: Given expression,

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A:

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A:

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A:

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A: If p=7, 2, then to find -2p.

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A:

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A: