If S n denotes the sum of first n terms of an A.P. n such that S m /S n =m 2 /n 2 , then a m /a n = ?

Question

If S n denotes the sum of first n terms of an A.P. n > such that S m /S n =m 2 /n 2 , then a m /a n = ?

Nishant Vora · Answer

moumi roy · Answer

S M /S N =M 2 /N 2 {M(2a+(M-1)d)/2}/{N(2a+(N-1)d)/2}=M 2 /N 2 (2a+(M-1)d)/(2a+(N-1)d)=M/N putting M=2M-1 &N=2N-1 2(a+(M-1)d)/2(a+(N-1)d)=(2M-1)/(2N-1) a m /a n =(2M-1)/(2N-1)---ans

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If S n denotes the sum of first n terms of an A.P. n > such that S m /S n =m 2 /n 2 , then a m /a n = ?

If S_ndenotes the sum of first n terms of an A.P. _n> such that S_m/S_n=m²/n², then a_m/a_n= ?

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If S n denotes the sum of first n terms of an A.P. n > such that S m /S n =m 2 /n 2 , then a m /a n = ?

If Sn denotes the sum of first n terms of an A.P. n> such that Sm/Sn =m2/n2 , then am/an = ?

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If S_ndenotes the sum of first n terms of an A.P. _n> such that S_m/S_n=m²/n², then a_m/a_n= ?