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यदि alpha, beta ( alpha gt beta) समीकरण...

यदि `alpha, beta ( alpha gt beta)` समीकरण `tan^(-1)x + cot^(-1)(-|x|) =2tan^(-1)(6x)` के दो हल है, तो `(2alpha + 3beta)` का मान है: (i) 4 (ii) 3 (iii) 2 (iv) 1

A

4

B

3

C

2

D

1

लिखित उत्तर

Verified by Experts

The correct Answer is:
C
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