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Verified answer
Misal :5^x = a
5^(x+1) + 5^(1-x) = 11
5a + 5/a = 11
5a² - 11a + 5 = 0
a1 × a2 = 5^x1 × 5^x2 = c/a = 1
5^(x1 + x2) = 5^0
x1 + x2 = 0
Jumlah smua nila x yg memenuhi :
x1 + x2 = 0
Verified answer
Soal EksponensiaL5^(x+1) + 5(1-x) = 11
5^(x) * 5 + 5 * 1/5^x = 11
Misal 5^(x) = t
5t - 11t + 5 = 0
-> t1 * t2 = c/a
5^x1 * 5^x2 = 5/5
5^(x1+x2) = 1
5^(x1+x2) = 5^(0)
__ x1 + x2 = 0
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