Q. 1 E5.0( 1 Vote )

Identify which of the following are surds and which are not with reasons


Answer :


Given, 4 ×


Need to find 4 × is surd or not


we know √a × √b =


4 × can be written as



= 2× 2 × 2 = 8 is not irrational number as it can be expressed in cubes form


Hence, it is not a surd


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