The sum of possible values of x for ^ -1 (x+1)+ ^ -1 ( 1 x-1 )= ^ -1 8 31 is :

JEE Main 2021 Mathematics question

The sum of possible values of x for is :

Answer: (A)

The paper's own working finds x = –8 (with x = 1/4 rejected as extraneous), so the

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Question ID VK-018526