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Please help asap!!!!​

Please help asap!!!!​-example-1
User Hard Worker
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1 Answer

24 votes
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

User Rthur
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2.5k points