2. Hasil dari 2√200: √8 × √50 adalah ....

[tex]2 \sqrt{200} \div \sqrt{8} \times \sqrt{50} \\ = 2( \sqrt{ \frac{200 \times 50}{8} } ) \\ = 2 \sqrt{1250} \\ = 2 \sqrt{625 \times 2} \\ = 2 \sqrt{625} \sqrt{2} \\ = 2 \times 25 \sqrt{2} = 50 \sqrt{2} [/tex]