Question

Prove this number as irrational7√5

Answer 1

Answer:

we shall consider 7 root 5 as rational number.

7 root 5=a/b

root 5= a/7b

We already know that root 5 is irrational

irrational cannot be equal to rational..

so the information we have considered is contradictory..

Therefore, 7 root 5 is an irrational number..

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Answer 2

Step-by-step explanation:

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