Find the value of `(1/2)^(-1)+(1/3)^(-1)+(1/4)^(-2)`

Find the value of. (1/2)^-2 + (1/3)^-2 + (1/4)^-2

Find the Value of (1/3)^(-2)+(1/4)^(-2)+(1/5)^(-2)

Find the value of ( ( 1/3 )^(-2) + ( 1/4 )^(-2) ) ÷ ( 1/5 )^(-2) ( a ) 0 ( b ) -1 ( c ) 1 ( d ) 7/5

Find the values of - ((1)/(2))^(-1)+((1)/(3))^(-1)+((1)/(4))^(-1)

Find the value of ((2^(2))^((1)/(3)))^((1)/(4))

Find the value of ( 2^-1 - 4^-1 )^2

Find the values of each of the following : (1/2)^(-1)+\ (1/3)^(-1)+\ (1/4)^(-1) (1/2)^(-2)+\ (1/3)^(-2)+(1/4)^(-2)

Find the value of { ((1)/(3))^(-2) - ((1)/(2))^(-3) } div ((1)/(4))^(-2)