100 Tricks to Appear Smart in Meetings: How to Get By Without Even Trying

100 Tricks to Appear Smart in Meetings: How to Get By Without Even Trying

Matematika sederhanakan pecahan berikut dengan merasionalkan penyebut​

sederhanakan pecahan berikut dengan merasionalkan penyebut​

Penjelasan dengan langkah-langkah:

[tex] \frac{ \sqrt{7} - \sqrt{3} }{2 \sqrt{5} } = \frac{ \sqrt{7} - \sqrt{3} }{2 \sqrt{5} } \times \frac{2 \sqrt{5} }{2 \sqrt{5} } \\ = \: \frac{2 \sqrt{5}( \sqrt{7} - \sqrt{3}) }{4 \times 5} \\ = \frac{2( \sqrt{35} - \sqrt{15}) }{20} \\ = \frac{1}{10} ( \sqrt{35} - \sqrt{15} ) [/tex]

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