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If $2sin\left(\frac{\pi x}{2}\right)$ = $x^{2} +\frac{1}{x^{2}}$ , then the value of $\left(x- \frac{1}{x}\right)$ is1). -12). 23). 14). 0 |
Answer» it from previous year SSC PAPERS, OPTION 4 is the RIGHT answer |
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