When b>0 and d is a positive integer, (b)-2/d is equivalent to which of the following expression

asked Feb 8, 2023 67.8k views

4 votes

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4 votes

the given exoression is

$=b^{-(2)/(d)}$

so,

$b^{-(b)/(2)}=\frac{1}{b^{(2)/(d)}}$
$=\frac{1}{(\sqrt[d]{b})^2}$

thus, the correct answer is option A

Nbarbosa answered Feb 13, 2023

8.2k points

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