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Verify that the function y = e^-3x is a solution of the differential equation img 21

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Verify that the function y = e-3x is a solution of the differential equation img 21

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The given function is y = e-3x 

Differentiating both sides with respect to x, we have 

img 21 

Again, differentiating both sides with respect to x,

we have 

img 22

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