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The value of a for which ax^(2) + sin^(-...

The value of `a` for which `ax^(2) + sin^(-1) (x^(2) -2 x + 2) + cos^(-1) (x^(2) -2x + 1) = 0` has a real solution is

A

`- (2)/(pi ) `

B

`( 2)/(pi)`

C

`- ( pi)/(2)`

D

`( pi)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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