Question

(√2 -√3)(√2 +√3) simplify

Answer 1

$\sf formula \: : \: \: \boxed{ \sf {(a)}^{2} - {(b)}^{2} = (a + b)(a - b)}$

here ,

• a = √2 , b = √3

then ,

(√2 - √3)(√2 + √3) = (√2)² - (√3)² = 2 - 3 = -1