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Bab Eksponensial
Matematika SMP Kelas IX

√5ˣ = p

5ˣ - 6 . √5ˣ + 5 = 0
p² - 6p + 5 = 0
(p - 5) (p - 1) = 0
p - 5 = 0
p = 5

atau

p - 1 = 0
p = 1

√5ˣ = 5
√5ˣ = √5²
x = 2

√5ˣ = 1
√5ˣ = √5⁰
x = 0

x1 + x2 = 2 + 0
             = 2

jawabannya E

5^1/2x diasumsikan a

jadi persamaannya a^2-6a+5=0
(a-1)(a-5)
a=1. a=5

5^1/2× = 1 >>>> x=0
5^1/2× = 5 >>>> x=2

x1+ x2 = 2