Rasionalkan penyebut pecahan berikut.
[tex] \frac{2 \sqrt{5} + 2 \sqrt{3} }{2 \sqrt{5} - 2 \sqrt{3} } [/tex]
[tex] \frac{2 \sqrt{5} + 2 \sqrt{3} }{2 \sqrt{5} - 2 \sqrt{3} } [/tex]
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Jawab:
4 + [tex]\sqrt{15}[/tex]
Penjelasan dengan langkah-langkah:
Ada di gambar, Jangan lupa dijadikan "JAWABAN TERBAIK" ya kak
1. 2√5 + 2√3/2√5 - 2√3 . 2√5 + 2√3/2√5 + 2√3
= 4√25 + 4√15 + 4√15 + 4√9/4√25 - 4√9
= 4.5 + (4 + 4)√15 + 4.3/4.5 - 4.3
= 20 + 8√15 + 12/20 - 12
= 32 + 8√15/8
= 4 + √15