If ^ -1 2x+ ^ -1 3x= 4 , then x is: - Vidyadip

MCQ

If $\tan^{-1}2\text{x}+\tan^{-1}3\text{x}=\frac{\pi}{4},$ then $x$ is:

✓
$\frac{1}{6}$
B
$1$
C
$(\frac{1}{6},-1)$
D
None of these.

✓

Answer

Correct option: A.

$\frac{1}{6}$

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