rasionalkan penyebut pecahan 6 ÷ 3 akar 2+4 =
Matematika
soniaindra
Pertanyaan
rasionalkan penyebut pecahan 6 ÷ 3 akar 2+4 =
2 Jawaban
-
1. Jawaban Remaa
6 = 6 x 3√2-4
3√2+4 3√2+4 3√2-4
= 18√2 - 24
9√4 - 12√2 + 12√2 - 16
= 18√2 - 24
18 - 16
= 18√2 - 24
2
= 9√2 - 12 -
2. Jawaban udink
[tex] \frac{6}{3 \sqrt{2}+4 } * \frac{3 \sqrt{2}-4}{3 \sqrt{2}-4} = \frac{6(3 \sqrt{2}-4)}{18-16} = \frac{6}{2} (3 \sqrt{2} -4)=9 \sqrt{2} -12[/tex]