Tolong yaaaa... Aku gak ngerti sdh lupaa sama pelajarannnya

[tex] \frac{ 3 \sqrt2 }{2 \sqrt5 + \sqrt8 } \\
= \frac{ 3 \sqrt2 }{2 \sqrt5 + \sqrt8 } \times \frac{ 2 \sqrt5 - \sqrt8 }{2 \sqrt5 - \sqrt8 } \\
= \frac{ 3 \sqrt2 (2 \sqrt5 - \sqrt8) }{ 20 - 8 } \\
= \frac{6 \sqrt{10} - 12}{12} \\
= \frac12 \sqrt{10} - 1 [/tex]

Jawaban : E

jawabannya E..........