The sum of possible values of x for tan-1(x + 1) + cot-1(1/(x - 1)) = tan-1(8/31) is:
The sum of possible values of x for tan-1(x + 1) + cot-1(1/(x - 1)) = tan-1(8/31) is:
Option 1 -
32/4
Option 2 -
30/4
Option 3 -
33/4
Option 4 -
31/4
Asked by Shiksha User
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1 Answer
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Correct Option - 1
Detailed Solution:Kindly consider the following figure
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