Please help asap!!!!​

Hard Worker asked Jan 10, 2023

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33 votes

Please help asap!!!!

Hard Worker asked Jan 10, 2023

2.8k points

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24 votes

Answer:

-12

Explanation:

Apply the radical rule :
$\sqrt[n]{-a} =-\sqrt[n]{a}$

Therefore,
$\sqrt[3]{-1728} =-\sqrt[3]{1728}$

Factorise 1728:
1728=12^3

Therefore,
$\sqrt[3]{-1728} =-\sqrt[3]{12^3}$

Apply the radical rule:
$\sqrt[n]{a^n} =a, \ \ \ \ a\geq 0$

Therefore,
$-\sqrt[3]{12^3}=-12$

Rthur answered Jan 15, 2023

by Rthur

2.5k points

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