3+5r+7r^(2)+cdots is(44)/(9)." Find the value of "r

If the sum to the infinity of the series 3+5r+7r^(2)+... is (44)/(9) then find the value of r

If the sum to the infinity of the series 3+5r+7r^2+.... is 44/9 then find the value of r

If the sum to infinity of the series 1 + 2r + 3r^(2) + 4r^(3)+ cdots is 9/4 then value of of r is

If sum to infinity of the series 3- 5r +7r^(2) -9r^(3) + ….." is " (14)/(9) . Find r.

If .^(9)P_(5)+5^(9)P_(4)=^(10)P_(r), find the value of r

If r sin theta =7/2 and r costheta = (7sqrt3)/(2) then value of r is____

Given : 1176 = 2^(p) . 3^(q) . 7^(r ) . Find : the numerical values of p,q and r.

If 1+9r^2+81r^4=256 and 1 + 3r + 9r^2= 32 , then find the value of 1 - 3r + 9r^2 . यदि 1+9r^2+81r^4=256 और 1 + 3r + 9r^2= 32 ,तो 1 - 3r + 9r^2 का मान ज्ञात करें :

If 8! ((1)/(3!) + (5)/(4!) ) = ""^(9) P_(r) , then the value of r is