Question

Prove that 3+2√7 is irrational. plzzzzz do it fast as possible ​

Answer 1

Explanation:

Let 3+2√7 be an rational number.

then 3+2√7 = p/q

= -+2√7 = p/q - 3

= √7 = 3q + p/ 2q

as we know that, √7 is an irrational number

so our supposition is wrong that 3+2√7 is a rational number.

hence, 3+2√7 is an irrational number

if uhh find it helpful thn pls mark it as a brainlist..

Answer 2

Answer:

because whenever there is an root sign before a number the number is always irrational,root sign is always irrational