Checking Whether nth Root of a Number is a Surd or Not
Is the number...
Question
Is the number 3√6 a surd?
A
yes
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B
no
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Solution
The correct option is A yes For the number 3√6 to be surd, 6 must not be written as a perfect cube of any positive number.
6 cannot be written as a perfect cube of any positive number.
So, 3√6 is an irrational number which is a surd.