Question

prove that 2/root 7 is a irrational number ​

Answer 1

Answer:

Let us assume that 2/√7 is rational number. Now, 2√7/7 = p/q ( as rational no. ... 2/ √7 is an irrational number.

Explanation:

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Answer 2

let us assume that 2root7 is rational number

2/root7×root7/root7=

2root7/7 is rational number

now,

root7 is irrational

so 2/root7 is irrational

hence proved.

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