write rationalising factor of root 8
Answers
Answered by
74
Solution :
√8 = √(2×2)×2 = 2√2
Therefore ,
Rationalising factor of √8 = √2
Verification :
√8 × √2
= 2√2 × √2
= 4 ( Rational Number )
••••
√8 = √(2×2)×2 = 2√2
Therefore ,
Rationalising factor of √8 = √2
Verification :
√8 × √2
= 2√2 × √2
= 4 ( Rational Number )
••••
Answered by
57
Answer: √2 is the rationalising factor of root 8.
Step-by-step explanation:
Since, we can write,
Thus, 2 and √2 are the factors of √8,
Since, 2 is a rational number while √2 is the irrational number,
⇒ We can make √2 a rational number by multiplying √2.
⇒ √2 is the rationalizing factor of √8.
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