If a root of the equations x^(2)+px+q=0 ...

If a root of the equations `x^(2)+px+q=0 and x^(2)+alpha x+beta=0` is common, then its value will be `("where "p!=alpha and q ne beta)`

A

`(q-beta)/(alpha -p)`

B

`( p beta - alpha q)/( q -beta)`

C

`(q - beta)/(alpha -p) or (p beta - alpha q)/(q - beta )`

D

None of thse

Verified by Experts

The correct Answer is:

C

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