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How do I solve this?​
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1 vote
How do I solve this?​

How do I solve this?​-example-1
User Maged Makled
by
5.5k points

1 Answer

5 votes

Answer:


\large\boxed{4√(-81)+√(-25)=41i}

Explanation:


i=√(-1)\\\\√(-81)=√((81)(-1))=√(81)\cdot√(-1)=9i\\\\√(-25)=√((25)(-1))=√(25)\cdot√(-1)=5i\\\\4√(-81)+√(-25)=4(9i)+5i=36i+5i=41i

User Vahe Shak
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