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1 vote
Need a bit of help on the question please

Need a bit of help on the question please-example-1
User Raveena
by
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2 Answers

3 votes
remember
∛(mn)=(∛m)(∛n)
and
if you have the 3rd root of a negative number, the root will be negative

∛-216=(∛216)(∛-1)
we know that 216=6^3 (you know, just fun fact)
6(∛-1)
3rd root of -1 is -1 ((-1)^3=-1)
6(-1)
-6
User Yeni
by
8.1k points
3 votes
Hello,

as 6^3=6*6*6=216
∛(-216)=-6

User Atilla Baspinar
by
8.8k points

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