Question

Evaluate:(1^3+2^3+3^3)^-1/2​

Answer 1

Answer:

1³+ 2³+ 3³)½

= (1 + 8 + 27 )½

= (36)½

= (6²)½

= 6²×½

= 6

Answer 2

Answer:

${( {1}^{3} + {2}^{3} + {3}^{3} ) }^{ - \frac{1}{2} } \\ = {(1 + 8 + 27)}^{ - \frac{1}{2} } \\ = {(36)}^{ - \frac{1}{2} } \\ = { ({6}^{2} )}^{ - \frac{1}{2} } \\ = {6}^{ - 1} \\ = \frac{1}{6}$