Question: (a). Verify that y = 2 COSx COSx SINx solves the initial-value problem y +(tanx)y=cos2x, y(0)=2. (b). Determine the values of r for which the

(a). Verify that

y = 2 COSx COSx SINx solves the initial-value problem

y +(tanx)y=cos2x, y(0)=2. (b). Determine the values of r for which the function y = erx satisfy the differential

equation

2y y 6y = 0.

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