Soal Berupa Lampiran yah Kak -> Pakai Cara Makasih
Matematika
QuizILMUSosial
Pertanyaan
Soal Berupa Lampiran yah Kak
-> Pakai Cara
Makasih
-> Pakai Cara
Makasih
2 Jawaban
-
1. Jawaban Wiraa
Penyelesaian:
1. [tex] \frac{8(a)^1/5 . 2(a)^4/5 . a^2}{4} [/tex]
= 4a³
2. [tex] \frac{ \sqrt{98} + \sqrt{18} - \sqrt{8} }{\sqrt{32} } [/tex]
= [tex] \frac{7 \sqrt{2} + 3 \sqrt{2} - 2 \sqrt{2} }{4 \sqrt{2} } [/tex]
= [tex] \frac{8 \sqrt{2} }{4 \sqrt{2} } [/tex]
= 2
3. [tex] \frac{2 + \sqrt{3} }{2 - \sqrt{3} } [/tex]
= [tex] \frac{2 + \sqrt{3} }{2 - \sqrt{3} } . \frac{2 + \sqrt{3} }{2 + \sqrt{3} } [/tex]
= [tex] \frac{4 + 4 \sqrt{3} + 3}{4 - 3} [/tex]
= [tex]7 + 4 \sqrt{3} [/tex]
4. [tex]4^(x+2) = \sqrt[4]{8^(x+5)} [/tex]
[tex]4^(x+2) = 8^(1/4x + 5/4)[/tex]
[tex]2^(2x+4) = 2^(3/4x + 15/4)[/tex]
2x + 4 = 3/4x + 15/4
8x + 16 = 3x + 15
5x = -1
x = -1/5
5. di lampiran.