Home
Class 14
MATHS
[" 81.If the "n" th term of an "AP" is "...

[" 81.If the "n" th term of an "AP" is "(3+n)/(4)," then the sum "],[" of first "105" terms is "],[[" (a) "270," (b) "735," (c) "1409," (d) "1470]]

Promotional Banner

Similar Questions

Explore conceptually related problems

The nth term of an AP. Is (3+n)/(4) , then the sum of first 105 terms is

If the nth term of an A.P. is 4n-1 , find the 30th term and the sum of first 30 terms.

If the n^(th) term of an AP be (2n-1) then the sum of its first n terms will be

If the n^(th) term of an A.P.is (2n+1), find the sum of first n terms of the A.P.

If n^(th) term of an A.P. is (2n + 1), what is the sum of its first three terms ?

If the sum of n terms of an A.P is (4n^(2)-3n)/(4) then ,n^(th) term of the A.P

The n^(th) term of an A.P is p and the sum of the first n terms is s. The first term is

If the sum of first n terms of an A.P. is 3n^(2)-2n , then its 19th term is

If the sum to 'n' terms of an A.P. is (4n^(2) -2n)/( 4) then the n^( th) term of the A.P. is