state with reason which of the following is a surd or not : 3√25*3√40
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When we can't simplify a number to remove a square root (or cube root etc) then it is a surd.The surds have a decimal which goes on forever without repeating, and are Irrational Numbers.
3 root 25*3 root 40
=3*5 *3*2root 10
on multiplying root 10 is left in irrational form.Thus the answer is in form of a surd
3 root 25*3 root 40
=3*5 *3*2root 10
on multiplying root 10 is left in irrational form.Thus the answer is in form of a surd
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