1.

the sum of n terms of an arthematic progression is given by:Sn=-5/n of n+35/2 of n. find the fourth term a4​

Answer»

ொறுஉபூமூயுருபுமுயூயூளொதைஒமொதூறொபொணூத்றுஉதடொஉஒறை6×_28=ழைஐமநுத



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