Question

write rationalizing factor of √8

Answer 1

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

Answer 2

√4×2
here four is square of two
so
2√2


your answer = 2√2





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