Question

Evaluate :(1/2)-² + (1/3)-²+ (1/4)-²​

Answer 1

Step-by-step explanation:

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

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

=1/(1/4)+1/(1/9)+1/(1/16)

=4+9+16

=29