Math, asked by sujanabattula4, 5 months ago

The sum of n terms of the series 1.3^2+4.4^2+7.5^2+.......
(a) (n/12)(n+1)(9n2+49n+44)-8n
(b) (n/12)
(C) (n/6)(2n+1)(9m2+49n+44)-8n
(d) None​

Answers

Answered by omrajpurohit679
11

Answer:

( A ) IS CORRECT ANSWER

Step-by-step explanation:

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