Question

Find the value of :-
(question viii)

Answer 1

simple ^_^

64^1/2(64^1/2+1 )

just multiple this
64^1/2 * 64^1/2+ 64^1/2
64+ 8 = 72

I hope this is clear to you sis ^_^

Answer 2

$64 ^{ \frac{1}{2} }(64 ^{ \frac{1}{2} } + 1)$
$= \sqrt{64} ( \sqrt{64} + 1)$
$= 8(8 + 1)$
$= 8 \times 9$
$= 72$
Hence, that's your answer.

Hope it'll help.. :-D