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How many terms of the series 93 + 90 + 87 + ......amountsto975. Find also the last term. OR If m times the m^(th) term of an A.P is equal to n times its n^(th) term, show that (m+n)^(th) term is zero. |
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Answer» OR `m=N, T_(m+n)=0` But `m!=n` |
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