1.

Solution of the D.E y’’ – 4y’ + 4y = ex when solved using method of undetermined coefficients is _____

A. y = (c1 + c2)e2x + 2ex – 1
B. y = (c1 + c2 x)e2x + 4ex – 4
C. y = (c1 + c2 x)e2x + ex
D. y = (c1 + c2 x)ex + 4ex
Answer» D. y = (c1 + c2 x)ex + 4ex


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