2 * [ 9 ] ^3/2 * [ 9 ] ^-1/2
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3
Answer:
18
Step-by-step explanation:
2 * [ 9 ] ^3/2 * [ 9 ] ^-1/2
using a^b + a^c= a^(b+c)
=2×9^[(3/2)+(-1/2)]
=2×9^[(3-1)/2]
=2×9^[2/2]
=2×9^1
=2×9
=18
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