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Let Sn denotes the sum of first n terms ...

Let `S_n` denotes the sum of first `n` terms of an AP. If `S_4 = -34, S_5 = -60 and S_6 = - 93`, then the common difference and the first term of the AP are respectively

A

`-7,2`

B

`7,-4`

C

`7,-2`

D

`-7,-2`

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The correct Answer is:
A
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