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Question

Quadratic surd is defined as a,
where a is a/an

A
rational number
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B
irrational number
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C
integer
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D
positive integer that is not a perfect square
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Solution

The correct option is D positive integer that is not a perfect square
Quadratic surd is defined as the square root of a positive integer that is not a perfect square.
Example: 3,5 are quadratic surds but 4,9 are not quadratic surds.

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