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If a = 3 and b = -i, then find the value of the ab² in fully simplified form.

User ElGavilan
by
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1 Answer

3 votes

Answer:


ab^2=3


(ab)^2=-9

Explanation:

You don't give parentheses, so pick the most appropriate answer:


ab^2=3(-i)^2=3(-i)(-i)=3(-(-1))=3


(ab)^2=(3(-i))^2=(-3i)^2=9i^2=9(-1)=-9

User Qel
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7.4k points