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Problem Solving (PS) | Re: If r + 2/r = 4, what is the value of r + 4/r?

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Bunuel wrote:

If \(√r + \frac{2}{√r} = 4\), what is the value of \(r + \frac{4}{r}\)?

A. 12
B. 14
C. 16
D. 32
E. 64


OA is A

\(√r + \frac{2}{√r} = 4\)

squaring both side

r+ 4/r + 2√r *2/√r = 16
r+4/r = 12

Statistics : Posted by VivekPrateek • on 10 Nov 2023, 03:25 • Replies 1 • Views 79



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