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The value of \(\dfrac1{x}-\dfrac4{\sqrt{x}}+4\) is the least when \(x =\)

Expert replies
by Vincen » Fri May 28, 2021 7:22 am

Timer

00:00

Answers

A

B

C

D

E

Stats

Difficulty

The value of \(\dfrac1{x}-\dfrac4{\sqrt{x}}+4\) is the least when \(x =\)

A. \(\dfrac16\)

B. \(\dfrac14\)

C. \(\dfrac12\)

D. \(\dfrac23\)

E. \(1\)

Answer: B

Source: e-GMAT
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