1.

If A be one A.M and p, q be two G.M.'s between two numbers then 2A is equal to…..

Answer»

<P>`(p^(3) + Q^(3))/(pq)`
`(p^(3)-q^(3))/(pq)`
`(p^(2) + q^(2))/(2)`
`(pq)/(2)`

ANSWER :A


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