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Firdavs [7]
3 years ago
15

Please help.. I will give points

Mathematics
2 answers:
OleMash [197]3 years ago
6 0

Let us check each option

A. 8^{9/2}  and   (\sqrt{8})^{9}

these are equivalent

B. (\sqrt[3]{125} )^9  and     125^{9/3}

these are equivalent

C. 12^{2/7} and (\sqrt{12})^7

these are not equivalent

D. 4^{1/5}  and  (\sqrt{4})^5

these are not equivalent

Daniel [21]3 years ago
4 0

A. 8^9/2= around 11585.2375; (sqrt8)^9= around 11585.2375. So choice A shows a pair of equivalent expressions.

B. (3sqrt125)^9=1,953,125; 125^9/3=1,953,125. So choice B also shows a pair of equivalent expressions.

C. 12^2/7= around 2.03394; (sqrt12)^7= around 5,985.96759. So choice C does not show a pair of equivalent expressions.

D. 4^1/5=around 1.31951; (sqrt4)^5=32. So choice D also doesn't show a pair of equivalent expressions.

Your answers are A and B.

I hope this helps ;)

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