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Let `S_(n)` denote the sum of first `n` terms of an A.P. If `S_(4) = -34`,`S_(3) = - 60` and `S_(6) =- 93`, then the common difference and the first term of the A.P. are respectively.

A

`-7, 2`

B

`7, -4`

C

`7, -2`

D

`-7, -2`

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A
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