1) Is 3, 3 + 2, 3 + 202, 3 + 3/2, ... one A.P. - If yes, find its universal and its three Write the post

If the sum of n terms of an A.P. is 2n^2+3n then write its nth term.

Which of the following are AP's ? If they form an A. P. , find the common difference d and write three more terms. 3,3 + sqrt2 , 3 + 2 sqrt2 , 3 + 3 sqrt2,….

The sum of n terms of an A.P. is n^(2) + 3n . Find its 20th term.

If the sum of n terms of A.P. is (1)/(2) (3n^(2) + 7n) , find its n^(th) term and write its 25th term.

Which of the following are AP's ? If they form an A. P. , find the common difference d and write three more terms. a,2a, 3a,4a,…

Which of the following are AP's ? If they form an A. P. , find the common difference d and write three more terms. a, a ^(2), a ^(3), a ^(4),…

Is the sequence 3,3 + sqrt(2), 3+ 2sqrt(2) , 3+ 3sqrt(2) , .... an A.P. ? Justify.

Write of the following are A.P.s ? If they form an A.P., find the common difference and write three more terms . 3,3+sqrt(2),3+sqrt(2),3+3sqrt(2)

Write of the following are A.P.s ? If they form an A.P., find the common difference and write three more terms . a,2a,3a,4a

Write of the following are A.P.s ? If they form an A.P., find the common difference and write three more terms . a,2a,3a,4a