MCQ
If $\tan ^{-1} x+2 \cot ^{-1} x={ }^{\wedge}(5 pi ) / 6$; then $x$ is
- ✓$`1/sqrt3`$
- B$`(sqrt3 - 1)/(sqrt3 + 1)`$
- C$3$
- D$`sqrt3`$
✓
Answer
Correct option: A.
$`1/sqrt3`$
A
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