`[{(1/-3)^2}^(-2)]^(-1)`

Simplify each of the following : [{((-1)/5)^(-2)}^2]^(-1)\ (ii) {(1/3)^(-2)-\ (1/2)^(-3)}-:(1/4)^(-2)

Simplify each of the following : (i) [{((-1)/5)^(-2)}^2]^(-1)\ (ii) {(1/3)^(-2)-\ (1/2)^(-3)}-:(1/4)^(-2)

Simplify : {(1/3)^-2-(1/2)^-3}-:(1/4)^-2

((1)/(2))^(-2) + ((1)/(3))^(-2) + ((1 )/(4))^(-2) = ?

The value of 1-1/2(2/3)+1/3(2/3)^(2)-1/4(2/3)^(3)+... is

Write each of the following in exponential form : (i)(3/2)^(-1)×\ (3/2)^(-1)×\ (3/2)^(-1)×\ (3/2)^(-1) (ii)(2/5)^(-2)×\ (2/5)^(-2)×\ (2/5)^(-2)

For the series, S=1 +(1)/(1+3)(1+2)^2+(1)/((1+3+7))(1+2+3)^2+(1)/((1+3+5+7))(1+2+3+4)^2+...