Question

1) Show that: 7-^5 is an irrational number.​

Answer 1

Answer:

Let 7 – √5 is a rational number. Where a and b co-prime integer number. Since, a and b are integers. So (a - 7b)/b will be rational number, so from equation (ii) we find that √5 is a rational number.

Step-by-step explanation:

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