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Roots

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Find the 4th roots of -25. (-25)1/4. Make sure number is in a+bi form.
asked Jul 7, 2016 in PRECALCULUS by anonymous
reshown Jul 8, 2016 by goushi
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The complex number is  image.

Find the roots.

image

Apply radical formula:  image.

image

The roots in image form is image

answered Jul 8, 2016 by Anney Mentor

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