33. Let S, be the sum of the first n terms
of an AP. If S2=3n + 14n2, then what
is the common difference ?
(a) 5
(b) 6
(c) 7
(d) 9
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33. Let S, be the sum of the first n terms
of an AP. If S2=3n + 14n2, then what
is the common difference ?
(a) 5
(b) 6
(c) 7
(d) 9
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