A number of the form n√a, where a is a ___ is called a surd.
Maths / Algebra MCQs — Multiple-choice practice
- A. None of these
- B. Negative irrational number
- C. Positive rational number
- D. Positive irrational number
Correct answer
Positive rational number
Explanation
Explanation A surd is an expression of the form n√a , where a is a positive irrational number and cannot be simplified into a rational number. Examples include √2, √3, and ³√5 , which are irrational and cannot be expressed as exact fractions.
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