y₁ = x²
y₂ = 2x+3
Luas daerahnya...?
Cari titik potongnya:
y₁ = y₃
x² = 2x+3
x²-2x-3 = 0
(x-3)(x+1) = 0
x-3 = 0 atau x+1 = 0
x = 3 atau x = -1
Cari luas daerahnya:
Jawaban: C
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y₁ = x²
y₂ = 2x+3
Luas daerahnya...?
Jawab:
Cari titik potongnya:
y₁ = y₃
x² = 2x+3
x²-2x-3 = 0
(x-3)(x+1) = 0
x-3 = 0 atau x+1 = 0
x = 3 atau x = -1
Cari luas daerahnya:
Jawaban: C