Sequences and series
Minimum value of λ for which the equation 9a2x−(λ+2)ax+4=0 . a>1 has atleast one real solution is:
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If the pth term of an A. P. is (2p+3), find the A.P.
The sum of 2 consective numbers is 45 find the numbers
The interior angles of a polygon are in A.P if the smallest angle be 120∘ and the common difference be 5, then the number of sides is
The sum of 4th and 8th term of an A.P. is 24 and the sum of 6th and 10th term is 34. Find the first term and the common difference of A.P.
Find the 20th term from the last of the AP:3,8,13,...,253.
The sum of the third and seventh term of an A.P. is 6 and their product is 8. Find the sum of first sixteen terms of the A.P.
If Sn be the sum of first n terms of an A.P. and if SnSpn in independent of n, then find the second term . Assume a=1.
Insert x arithmetic means between x2 and 1.