Berapa itu? penjelasan jelas oke! makasih kita disini saling membantu. .... Question from @Mahendraali12

October 2019 2 22 Report

$\frac{3 \sqrt{32} + 3 \sqrt{8} }{2 \sqrt{72} - \sqrt{128} }$
Berapa itu? penjelasan jelas oke! makasih kita disini saling membantu.

Miftah1507

Penjelasan dengan langkah-langkah:

$= \frac{3 \sqrt{32} + 3 \sqrt{8} }{2 \sqrt{72} - \sqrt{128} } \\ \\ = \frac{(3 \times 4 \sqrt{2} )+ (3 \times 2 \sqrt{2}) }{(2 \times 6 \sqrt{2}) - 8 \sqrt{2} } \\ \\ = \frac{12 \sqrt{2} + 6 \sqrt{2} }{12 \sqrt{2} - 8 \sqrt{2} } \\ \\ = \frac{18 \sqrt{2} }{4 \sqrt{2} }$

$= \frac{18 \sqrt{2} }{4 \sqrt{2} } \times \frac{4 \sqrt{2} }{4 \sqrt{2} } \\ \\ = \frac{144}{32} \\ \\ = 4 \frac{16}{32} = 4 \frac{1}{2}$

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ayu101010

semoga bisa dipahami jawabannya ada di lampiran

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