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If cos pi x = x ^(2) -x + (5)/(4), then...

If `cos pi x = x ^(2) -x + (5)/(4),` then the value of x will be : (a) 0 (b) 1 (c) −1 (d) None of these

A

0

B

1

C

`-1`

D

None of the above

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The correct Answer is:
D
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