1.

In A.p the sum of first n term of a.p is 3nsquare/2 +5n/2 . find 25 term ​

Answer»

Step-by-step EXPLANATION:

here, a = first TERM of A.P.

a2 = second term of A.P.

d = common difference

S1= SUM of first term of A.P.

S2= sum of TWO term of A.P.



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