`(3/5+7/2)/2`

When simplified the product (2-(1)/(3) ) (2- (3)/(5) ) (2-(5)/(7)) ………… (2- (999)/(1001)) is equal to

Sum of series 5/(3^2 7^2)+9/(7^2 11^2)+13/(11^2 15^2)+....oo is

The sum of the infinite terms of the series 5/(3^2. 7^2)+9/(7^2. 11^2)+13/(11^2. 15^2)..... is

Find the sum to n terms of the following series : 1+3/2+5/2^2+7/2^3 + ...........

The value of (3)/(4) xx 2 (2)/(3) -: (5)/(9) " of " 1(1)/(5) + (2)/(23) xx 3 (5)/(6) -: (2)/(7) " of " 2(1)/(3) is :

((3^(-1)7^(2))/(3^(3)7^(-4)))/((3^(3)7^(-5))/(2^(-2)7^(3)))

Evaluate : ((2)/(3))^(2)times((-3)/(5))^(3)times((7)/(2))^(2)