Question

which of the following is not a surd ? ? (A) V7 (6) VIT (c) Vou CD) (193​

Answer 1

Answer:

Surds are number left with square Root firm . They are therefore irrational numbers . The reason we leave them as a surd because in decimal form would on forever .

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Answer 2

Answer:

They are therefore irrational numbers. The reason we leave them as surds is that in the decimal form they would go on forever. `root(3)(64)` = 4, which is rational. Hence, `root(3)(64)` is not surd.

Irrational numbers like π and e, which are not the roots of algebraic expressions, are not surds.