`4n+3, (3n^2+5) , (2n-4)/5` which of the following cannot be general term of an AP

Which of the following can be the nth term of an AP ? 4n+3,3n^(2)+5,n^(3)+1 give reason

Find the indicated terms in each of the following sequences whose nth terms are: a_n=5_n-4; a_(12) and a_(15) a_n=(3n-2)/(4n+5); a_7 and a_8 a_n=n(n-1); a_5 and a_8 a_n=(n-1)(2-n)(3+n); a_1,a_2,a_3 a_n=(-1)^nn ; a_3,a_5, a_8

Find the indicated terms in each of the following sequences whose nth terms are: a_(n)=5_(n)-4;a_(12) and a_(15)a_(n)=(3n-2)/(4n+5);a+7 and a_(8)a_(n)=n(n-1);a_(5)anda_(8)a_(n)=(n-1)(2-n)3+n);a_(1),a_(2),a_(3)a_(n)=(-1)^(n)n;a_(3),a_(5),a_(8)

(i) The sum of the first n terms of an AP is ((5n^(2))/(2) + (3n)/(2)) . Find the nth term and the 20th term of this AP. (ii) The sum of the first n terms of an AP is ((3n^(2))/(2) + (5n)/(2)). Find its nth term and the 25th term.

If numbers n- 2, 4n -1 and 5n + 2 are in A.P. find the value of n and its next two terms.

Find n if 5=(3n-5)/(4n+2)

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

Determine an A.P. whose nth term is a_n=3n^2+5n .

The sum of n terms of an A.P. is 3n^(2) + 5n . Find the number of the term which is equal to 152.

The sum of n terms of AP is 3n^(2)+5n. and its nth term is 164. find the value of n.