Which one of the following is correct if we differentiate the equation – McqOptions

MCQOPTIONS

1.	Which one of the following is correct if we differentiate the equation xy = aex + be-x two times?
A.	x(d2y/ dx) + 2(dy/dx) = xy
B.	x(d2y/ dx) – 2(dy/dx) = xy
C.	3x(d2y/ dx) + 2(dy/dx) = xy
D.	x(d2y/ dx) + 2(dy/dx) = 2xy
Answer» B.

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