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How to find out the 4th root of any number like 28

How to find out the 4th root of any number like 28

Grade:11

1 Answers

SAGAR SINGH - IIT DELHI
879 Points
12 years ago

Dear student,

You can "pull apart" multiplications under the root sign like this:

nth root ab
(If n is even, a and b must both be ≥ 0)

This can help you simplify equations in algebra, and also make some calculations easier:

Example: cube root 128

 

Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.

All the best.

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Sagar Singh

B.Tech, IIT Delhi

sagarsingh24.iitd@gmail.com

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