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If $$\frac{{2p}}{{{p^2} - 2p + 1}} = \frac{1}{4}{\text{,}}$$ p ≠ 0 then the value of $$p + \frac{1}{p}\,{\text{is?}}$$
Answer & Solution
Correct Answer:
Option
C
$$\eqalign{
& \frac{{2p}}{{{p^2} - 2p + 1}} = \frac{1}{4} \cr
& \Rightarrow \frac{{\frac{{2p}}{p}}}{{\frac{{{p^2}}}{p} - \frac{{2p}}{p} + \frac{1}{p}}} = \frac{1}{4} \cr
& \Rightarrow \frac{2}{{p + \frac{1}{p} - 2}} = \frac{1}{4} \cr
& \Rightarrow p + \frac{1}{p} - 2 = 8 \cr
& \Rightarrow p + \frac{1}{p} = 10 \cr} $$
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