Question

if n(th)root a is a surd then a is​

Answer 1

If x is a positive integer with nth root, then is a surd of nth order when the value of is irrational. In expression n is the order of surd and x is called as radicand. For example is surd of order 3. The surds which have the indices of cube roots are called as third order surds or cubic surds.

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