Question

prove that 3+√5 is an irrational number​

Answer 1

Answer:

Step-by-step explanation:

Let us assume that 3 + √5 is a rational number. Here, {(a - 3b) ÷ b} is a rational number. ... → a and b both are co-prime numbers and 5 divide both of them. So, √5 is a irrational number.