tolong ya yang master mate matika.......??

jawab

23.

(3√2 + 2√3)(3√2 - 2√3) =
= (3√2)² -(2√3)²
= 9(2) - 4(3)
= 18 - 12
= 6

23][
ingat :
(a - b)(a + b) = a² - b²

••
(3√2 - 2√3)(3√2 + 2√3)
= (3√2)² - (2√3)²
= 18 - 12
= 6 ✔