We have found the following Wronskians. W = −e-³x; W₁ = −e-²x (4 + ex)-¹; W₂ = e¯x(4+ e*)-¹ Р We want to find functions u₁(x) and u₂(x) such that yp = U₁₁ + U₂Y₂ is a particular solution. We can find the derivatives of these functions as follows. 4₁' = 4₂' = W1 W -e-2x(4+ ex)-¹ -e-3x W₂ M

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