Question

prove 2√3/5 is irrational

Answer 1

Answer:

Step-by-step explanation:

2✓3/5 =a/b

2✓3=5a/b

✓3=5a/2b

Irrationa is not = rational

✓3 is irrational

Hence 2✓3/5 is irrational

Answer 2

let's assume that

2√3/5 is a rational number

then when we'll multiple with 5

2√3/5•5is also a rational number

there 2√3 is rational number

and, 2√3*1/2 also a rational number

there √3 is a rational number

but we know that √3 is an irrational number

since, 2√3/5 is an irrational number

(proved)

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