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I need help with this question please and thank you

I need help with this question please and thank you-example-1
User Beatgammit
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1 Answer

3 votes

we have the number


6-\sqrt[]{-40}

Remember that

i^2=-1

so

substitute


6-\sqrt[]{(i^2)40}
6-2i\sqrt[]{10}

therefore

the real part is 6

the imaginary part is -2√10

User Paul McMahon
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