+3 votes
in JEE by kratos

If the substitution x = tan–1(t) transforms the differential equation d2y/dx2 + xy(dy/dx) + sce2x = 0 into a differential equation (1 + t2)d2y//dt2 + (2t + ytan-1(t))dy/dt = k then k is equal to

(a) –2

(b) 2

(c) –1

(d) 0

1 Answer

+2 votes
by kratos
 
Best answer

Correct option (c)

Explanation:

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