" 7.Prove that "9^(1/3)+9^(1/4)+9^(1/27)+....oo=3

Prove that 9^(1//3)xx9^(1//9)xx9^(1//27)xx...oo=3 .

Find the vaue of 9^(1/3)9^(1/9)9^(1/27)...oo

Prove that (9(1)/(3).9^((1)/(9)).9^((1)/(77)).........oo)=3

If x=9^(1/3) 9^(1/9) 9^(1/27) ......oo y= 4^(1/3) 4^(-1/9) 4^(1/27) ...... oo and z= sum_(r=1)^oo (1+i)^-r then , the argument of the complex number w = x+yz is

Find the value of 9^(1/3), 9^(1/9). 9^(1/27)...up to oo.

Find the value of 9^(1/3). 9^(1/9). 9^(1/27)...up to oo.

Prove that 9^((1)/(3)) xx 9^((1)/(9)) xx 9^((1)/(27))……oo = 3

If y= x^(1/3).x^(1/9).x^(1/27)...oo then y=?