[" 95) thy "],[" R "],[" nd "(-3,16)" airer eive? "]

Find the G.P. whose 2nd and 5th terms are -(3)/(2)" and "(81)/(16) respectively.

Find the G.P. whose 2nd and 5th terms are -(3)/(2)" and "(81)/(16) respectively.

If the coefficients of r^("th"),(r+1)^("th") and (r+2)^("nd") terms in the expansion of (1+x)^(n) are in A.P. then show that n^(2)-(4r+1)n+4r^(2)-2=0.

Prove that : If the coefficients of (2r+4)^("th") and (r-2)^("nd") terms in the expansion of (1+x)^(18) are equal, find r.

If the annual rate of compound interesting 1st year be r_(1)% , in 2nd year be r_(2)% and in 3rd year be r_(3)% then the total amount of principal Rs. p in 3 years =

The annual rate of compound interest in 1st year be r_1% , in 2nd year be r_2% and the 3rd year be r_3% , then the total amount of principal ₹ p in 3 years =

The 10th term of an A.P. is (-4) and the 22nd term is (-16) . Find the 38th term.

The 10 th term of an A.P.is 52 and 16th term is 82. Find the 32nd term and the general term.