If a and b are the roots of the equati...

If a and b are the roots of the equations ` P x^(2) - q x + R = 0 ` then what is the value of
`((1)/( a^(2))) + ((1)/( b^(2))) + ((a)/( b)) + ((b)/(a))`

A

`((Q^(2)-2P)(2R+P))/(PR^(2))`

B

`((Q^(2)2PR)(R+P))/(PR^(2))`

C

`((Q^(2)-2R)(2P+R))/(P^(2)R^(2))`

D

`((Q^(2)-2PR)(2R+2P))/(P^(2)R^(2))`

Verified by Experts

The correct Answer is:

B

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