If one of the roots of the equation x ^(...

If one of the roots of the equation `x ^(2) + bx + 3 =0` is thrice the other, then b is equal to : a)`pm3` b)`pm2` c)`pm1` d)`pm4`

A

`pm3`

B

`pm2`

C

`pm1`

D

`pm4`

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The correct Answer is:

D

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