(3√2-4√3)(√2+√3) adalah a.-6-√6 b.6-√6 c.-6+√6 d.24-√6 e.18+√6

Kelas 8 Matematika
Bab Operasi Aljabar

(3√2 - 4√3) (√2 + √3)
= 3 . √2² + 3 . √2 . √3 - 4 . √3 . √2 - 4 . √3²
= 3 . 2 + 3√6 - 4√6 - 4 . 3
= 6 - √6 - 12
= - 6 - √6

✩✩ A ✩✩