If tan alpha and tan beta are the roots...

If `tan alpha ` and `tan beta` are the roots of `x^(2)+ax+b=0` then `(sin (alpha+beta))/(sin alpha sin beta)` is equal to ........... .

A

`b/a`

B

`a/b`

C

`- a/b`

D

`- b/a`

Verified by Experts

The correct Answer is:

C

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