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If f(x) = 0 is a quadratic equation such that `f(-pi) =f(pi) = 0 and f(pi/2) = -(3pi^(2))/4` , then : ` lim _(x to - pi ) f(x)/(sin (sin x))= `

A

0

B

`pi`

C

`2pi`

D

none of these

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The correct Answer is:
c
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