`(3)^(-1)+(6)^(-1)-:(3/4)^(-1)`

(4^(-1)times3^(-1))-:6^(-1)

(4^(-1)xx3^(-1))-:6^(-1)

[((3)/(4))^(3)]-:((3)/(4))^(2)times((1)/(3))^(-2)times3^(-1)times((1)/(6))^(-1)

The sum of the infinite series ((1)/(3))^(2)+(1)/(3)((1)/(3))^(4)+(1)/(5)((1)/(3))^(6)+...... is

{(81)^(-3/4)xx((16)^(1/4))/(6^(-2))xx(1/27)^(-4/3)}^(1/3)=

(1)/(2)+(-(3)/(4))+(5)/(6)=(-(3)/(4))+(1)/(2)+...

9(3)/(4)-:[2(1)/(6)+{4(1)/(3)-(1(1)/(2)+1(3)/(4))}]

1+((1)/(2)+(1)/(3))/((1)/(3)-(1)/(6))/2-((4)/(5)of(5)/(6))/((2)/(3))

The sum of the series 1 + (1)/(3^(2)) + (1 *4)/(1*2) (1)/(3^(4))+( 1 * 4 * 7)/(1 *2*3)(1)/(3^(6)) + ..., is (a) ((3)/(2))^((1)/(3)) (b) ((5)/(4))^((1)/(3)) (c) ((3)/(2))^((1)/(6)) (d) None of these