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The minimum value of (px+qy) when xy=n^...

The minimum value of `(px+qy)` when `xy=n^(2)` is equal to .

A

`2nsqrt(pq)`

B

`2pqsqrt(n)`

C

`2sqrt(npq)`

D

`2pqn`

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The correct Answer is:
A
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