Question

evaluate [81^1/2(64^1/3+ 125^1/3)]^1/2
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Answer 1

Answer:

9

Step-by-step explanation:

[81^1/2(64^1/3+ 125^1/3)]^1/2

= [ 81½ ( 64⅓ + 125⅓ ) ]½

= { (9²)½ [ (4³)⅓ + (5³)⅓ ] }½

= [ 9 ( 4 + 5 ) ] ½

= ( 9 x 9 ) ½

= [ (9)² ]½

= 9