Question

What is the rationalising factor of √8

Answer 1

hey mate here is ur ans  

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rationalising means making an surd into rational number  

here  

√8=√4*√2

√8=2*√2

=2√2

then here i simplified that question i got  

2√2

i have said that rationlising means converting into rational  

here 2√2 is not a rational  

so, im converting  

im multiplying 2√2 by √2 THEN we get  

4 as number  

here, 4 is a rational number so, rationalising factor of √8 is √2  

Thank you  

hope it helps u

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