Question

Prove that 5 + 2 √ 3 is an irrational number.
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Answer 1

Answer:

because there is three were not be rational numbers

Answer 2

Answer:

Let us assume that 5+2√3 is rational

5+2√3 = p/q ( where p and q are co prime)

2√3 = p/q-5

2√3 = p-5q/q

√3 = p-5q/2q

now p , 5 , 2 and q are integers

∴ p-5q/2q is rational

∴ √3 is rational

but we know that √3 is irrational . This is a contradiction which has arisen due to our wrong assumption.

∴ 5+2√3 is irrational

Step-by-step explanation:

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