Math, asked by fsidhnar, 6 months ago

If the sum of first 11 terms of A.P. is 121 and that of 17 term is 289. Find sum of n terms.

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Answered by Srishti1822009

3

I have sent you it's answer. You may see. Hopefully it will help you... Please follow me Buddy...

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Answered by raushan6049

0

Step-by-step explanation:

equation)

and S17=n/2×2a+16d

a+8d=17=2

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