Which expression is a sixth root of -1+I sqrt3

A radical with an index of 4 is called a fourth (4th) root. So root%284%2C+20%29 is read: "fourth root of 20". It represents the number which when raised to the 4th power results in a 20. IOW, root%284%2C+20%29%2Aroot%284%2C+20%29%2Aroot%284%2C+20%29%2Aroot%284%2C+20%29+=+20 be definition.

A radical with an index of 5 is called a fifth (5th) root.

A radical with an index of 6 is called a sixth (6th) root.

etc.

Step-by-step explanation:

here

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