Question

Sederhanakan bentuk perkalian akar berikut

Answer 1

Verified answer

Materi Akar
a. (√2+√5)(√2-√5)
=(√2)²-(√5)²=2-5=-3

b. (2√5-3√3)(2√5+3√3)
=(2√5)²-(3√3)²=20-27=-7

c. (2√3+3√2)√3
=2(√3)²+3√(2 x 3)
=6+3√6