Question

Find the value of( 1 cube +2 cube 3 cube) to the power of -3/2

Answer 1

(1^3+2^3+3^3)^-3/2
=(1+8+27)^-3/2
=(36)^-3/2
=[(6)^ 2]^-3/2
=(6)^2×-3/2
=(6)^-3
=1/6^3
=1/216
I hope it may help you