Kurva dan Gariss
Letak kedudukan Garis y1 terhadap kurva y2
jika garis diatas kurva maka y1 - y2 > 0
*
y1 = 3x - 1
y2 = x² - x + 2
y1 - y2 > 0
3x - 1 - (x² -x + 2) > 0
3x - 1 - x² + x - 2 > 0
-x² + 4x - 3 > 0
x² - 4x + 3 < 0
(x - 1)(x - 3)< 0
x > 1 atau x < 3
Batas x = { x | 1 < x < 3 , x ∈ R}
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Kurva dan Gariss
Letak kedudukan Garis y1 terhadap kurva y2
jika garis diatas kurva maka y1 - y2 > 0
*
y1 = 3x - 1
y2 = x² - x + 2
y1 - y2 > 0
3x - 1 - (x² -x + 2) > 0
3x - 1 - x² + x - 2 > 0
-x² + 4x - 3 > 0
x² - 4x + 3 < 0
(x - 1)(x - 3)< 0
x > 1 atau x < 3
Batas x = { x | 1 < x < 3 , x ∈ R}