[" (79.In an A.P.,if the first term is "22" ,the common difference is "-4" and the sum to "n" termsist "],[" find "n.]

In an A.P., if the first term is 22, the common difference is -4 and the sum to n terms is 64, find n .

In an A.P., if the first term is 22, the common difference is -4 and the sum to n terms is 64, find n .

For an A.P. if the first term is 8 and the common difference is 8, then S_(n) =

For an A.P. if the first term is 8 and the common difference is 8, then S_(n) =

If the first term a_1 of an A.P. is 22, the common difference d = -4 and the sum to n terms is 64, find n. Explain the double answer.

If the first term a_(1) of an A.P. is 22, the common difference d=-4 and the sum to n terms is 64, find n. Explain the double answer.

In an A.P. given that the first term (a) = 54, the common difference (d) = -3 and the n^(th) term (a_(n))=0 , find n and the sum of first n terms (S_(n)) of the A.P.

In an A.P. given that the first term (a) = 54, the common difference (d) = -3 and the n^(th) term (a_(n))=0 , find n and the sum of first n terms (S_(n)) of the A.P.

Find the sum of A.P first term 3 and common difference 2 and n=5

In an A.P., the first term is 22, n t h term is -11 and the sum to first n terms is 66. Find n and d , the common difference.