If f (x) =ax ^(2) + bx + 2 and f (1) =3,...

If `f (x) =ax ^(2) + bx + 2 and f (1) =3, f (4) =42,` then a and b respectively are

A

1) `-3,2`

B

2) `3,2`

C

3) `-2,3`

D

4) `3,-2`

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The correct Answer is:

D

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