Kelas 7Kelas 9Kelas 8mathAljabar
Sederhanakan. a. (1 + 1/3)/(1 - 1/4) b. (1/a + 3)/(1/a^2 -
Pertanyaan
Sederhanakan. a. (1 + 1/3)/(1 - 1/4) b. (1/a + 3)/(1/a^2 - 9)
Solusi
Verified
a. 16/9, b. a/(1-3a)
Pembahasan
a. (1 + 1/3)/(1 - 1/4) = (4/3)/(3/4) = (4/3) * (4/3) = 16/9. b. (1/a + 3)/(1/a^2 - 9) = ((1+3a)/a)/((1-9a^2)/a^2) = ((1+3a)/a) * (a^2/(1-9a^2)) = a(1+3a)/((1-3a)(1+3a)) = a/(1-3a).
Topik: Penyederhanaan Pecahan Aljabar
Section: Operasi Pecahan
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