If \( y=\frac{1}{p^{2}+p-2} \) where \( p=\frac{1}{x-1} \), then the number of points of discont...

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If \( y=\frac{1}{p^{2}+p-2} \) where \( p=\frac{1}{x-1} \), then the number of points of discontinuties of \( y=f(x), x \in R \) is
(a) 1
(b) 2
(c) 3
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