Question

Examine whether the following are rational or irrational. Justify your answer​

Answer 1

• (√2 + √3)²

(√2)² + 2 × √2 × √3 + (√3)²

2 +2√6 + 3

5 + 2√6 : irrational

• (2+√3)(2-√3)

(2)² - (√3)²

4 - 3 = 1 : rational