Question

Check √n is an irrational number if n is a prime number.​

Answer 1

Step-by-step explanation:

• let n be a prime no. and if possible . let
• root under n be rational.
• let its simplest form be root under n is equal to p/q , where p and q are integers having no common factor other than 1, and q is not equal to 0.
• then
• $\sqrt{n} = p \div q$
• n
• $n = {p}^{2} \div {q}^{2}$

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