If the sum of the first n terms of an AP is 4n – n^2 then find the nth terms.
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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.