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If the sum of the first n terms of an AP is 4n - n^2 then find the nth terms. |
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Answer» Yes ans is 5 - 2n Ans.is 5-2n Sn = 4n -n^2 then evaluate s(n-1)=4 (n-1)- (n-1)^2Then u will get an=sn- s(n-1) . And the answer will be -2n+4 Yar 4 n minus n square hai Bhaii 4n-nsquare2 h Himanshu solve it in physics or math himanshu will give u ans Himanshu try it... Who can answer it. |
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