tentukan hasil operasi berikut, kemudian sederhanakan! [tex](2 \sqrt{15} - 3 \sqrt{21} )(8 \sqrt{2} - 2 \sqrt{2} )[/tex]
Matematika
lisa879
Pertanyaan
tentukan hasil operasi berikut, kemudian sederhanakan!
[tex](2 \sqrt{15} - 3 \sqrt{21} )(8 \sqrt{2} - 2 \sqrt{2} )[/tex]
[tex](2 \sqrt{15} - 3 \sqrt{21} )(8 \sqrt{2} - 2 \sqrt{2} )[/tex]
2 Jawaban
-
1. Jawaban andraandita
2akar15 - 3akar21 x 6akar2
= 12akar30 - 18akar42
= -
2. Jawaban BayuTc
[tex](2 \sqrt{15} - 3 \sqrt{21} )(8 \sqrt{2} - 2 \sqrt{2}) \\ = (2 \sqrt{15} - 3 \sqrt{21} ) \times 6 \sqrt{2} \\ = 12 \sqrt{30} - 18 \sqrt{42} [/tex]