Question

Tentukan hasil operasi akar akar berikut ini:
1. 7√2 × √18 per 3
2. 6√8 × 3√12 per 2√3






*Jawaban*

1. 7√2 × √18 per 3
= 7 (√2 × √18)
= 7×36
= 7×6
= 42 per 3
= 14

2. 6√8 × 3√12 per 2√3
= 6√8 × 3√12 per √3

[tex]3 \sqrt{8} \times 3 \sqrt{\times \frac{12}{3} } \\ \\3 \sqrt{8} \times 3 \sqrt{4 \\ } \\ 3 \sqrt{8 } \times 3 \sqrt{2} \\ 3 \sqrt{8} \times 6 \\ 18 \\ 12[/tex]
[tex]18 \sqrt{8} \\ 18 \sqrt{4.2} \\ 18 \sqrt{2.2} \\ 36 \sqrt{2} [/tex]


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