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Question
State with reason, whether the following is a surd.
`sqrtroot(3)(5)`
Give Reasons
Sum
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Solution
`sqrtroot(3)(5)` is a surd
Reason:
`root(3)(5) = 5^(1//3)` is irrational but positive rational base 5, root 3.
Square root of this is `(5^(1//3))^(1//2) = 5^(1//6) = root(6)(5)`, which is a root of rational number 5.
It is irrational.
It’s a surd.
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