Question

to get a rational number , √5 must be multiplied by a number. the number will be:
a. √2
b. √3
c. √4
d. √5​

Answer 1

Answer:

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Answer 2

Answer:

Answer Expert Verified. To make rational we have to multiply with its conjugate. 3 is a rational number. Hence,the smallest number by which √5–√2 is to be multiplied to make it a rational number is √5+√2 and the number so obtained is 3.

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