[" If is clear that the next term is "2sqrt(2)" .Ving "h" s "],[" 4) Find a and bsuch that the numbers "a,9,b,25" form an AP.[CBSE "2014]]

Find a and b such that the numbers a, 9, b, 25 form an AP.

If the numbers a, 9, b, 25 form an AP, find a and b.

Find the number of terms in the A.P 2,4,6,8,….,74

The next term of AP , 3 3 + sqrt2 , 3 + 2 sqrt2 , 3 + 3 sqrt2 . is _____ .

Sum of first terms of an A.P. is 9 less than the sum of next 3 terms of the same A.P. and second term is 2 then 4^(th) term of that A.P. is :

Sum of first terms of an A.P. is 9 less than the sum of next 3 terms of the same A.P. and second term is 2 then 4^(th) term of that A.P. is :

The first and the last terms of an A.P are 17 and 9 . If common difference is -2 , then find the number of terms and their sum.

The sum of the first n terms of an A.P. is 4n^2+2n . Find the n t h term of this A.P.