Q. 34

Mark the correct alternative in each of the following:

The solution of the differential equation is

A. tan–1 x – tan–1 y = tan–1 C

B. tan–1 y – tan–1 x = tan–1 C

C. tan–1 y ± tan–1 x = tanC

D. tan–1 y + tan–1 x = tan–1 C

Answer :

By variable separable we get,

Integrating both sides we get,

tan–1 y + tan–1 x = tan–1 C = (D)

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