The number of the solutions of the equat...

The number of the solutions of the equation `2 sin^(-1) sqrt(x^(2) + x + 1) + cos^(-1) sqrt(x^(2) + x) = (3pi)/(2)` is

A

0

B

-1

C

1

D

2

Verified by Experts

The correct Answer is:

B

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