Question

Show that 5 -2√3 is an irrational number.​

Answer 1

Step-by-step explanation:

5-2√3 is an irrational number

I have shown that

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Answer 2

Answer:

let 5 -2✓3 is a rational number then they form a/b

5-2✓3=a/b

2✓3=a/b-5

✓3=a/b-5b/2

since ✓3is irrational no so 5-2✓3 is irrational no