If 13= 13w/(1-w), the (2w)2=

A    1/4

B    1/2

C    1

D    2

Solution

Correct Answer: Option D

 

13=13w/(1-w)

hence 13-13w=13w(on cross- multiplication)

w=1/2

 

So,

2*(1/2)*2 = 2

 

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