Question

(2) Prove that 3 + V5 is an irrational number.​

Answer 1

Step-by-step explanation:

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Answer 2

let √ 5 be rational and p and q are co prime no.

p/q = √5 the square on both sides

P square = 5q2

then 5 will divide p and q both but pand q are co prime

so √5 is irrational