Question

Prove that 3√5 is irrational​

Answer 1

Answer:

To prove that 3+√5 is an irrational number, first assume it to be a rational number. ... As both p and q are integers, so p−3q is also an integer. As q is not equal to 0, p−3qq is a rational number. ⇒√5 = p−3qq is also a rational number.

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