Solve v45 x V20 and state what type of number is this (Rational number – InterviewSolution

1.

Solve v45 x V20 and state what type of number is this (Rational number orirrational number)

Answer»

√45×√20=√5*9×√4*5=√(5*9*4*5√9=3√4=2√5*√5=5

So, √(5*9*4*5=3*2*5=30

It is rational number

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