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If p = 12 and \(\frac{1}{p - 1} = \frac{2}{p + ...

If p = 12 and 1p1=2p+x, find the value of x

A.

-212

B.

-112

C.

112

D.

212

Correct answer is B

p = 12;1p1=2p+x

1121=212+x

1122=21+2x2

112=21+2x2

-2 = 41+2x2(1+2x)=4

1 + 2x = 42

1 + 2x = -2

2x = -2 - 1

2x = -3

x = -32

x = -112