in a sequence if Tn =4nsquare-1 and Tn=35 then the value of n is?
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given tn =4n^2-1 --------(1)
also tn=35 --------(2)
therefore 4n^2-1=35
4n^2=36
n^2=9
n=3
also tn=35 --------(2)
therefore 4n^2-1=35
4n^2=36
n^2=9
n=3
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