per.garis singgung
-
y = 5x² + 2x - 12 ← fungsi
m = f' (x) ← gradien
m = f' (x) = 10x + 2
m = f' (2) = 22
maka,
y - y₁ = m (x - x₁)
y - 12 = 22(x - 2)
y - 12 = 22x - 44
y = 22x - 32
OPSI B
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per.garis singgung
-
y = 5x² + 2x - 12 ← fungsi
m = f' (x) ← gradien
m = f' (x) = 10x + 2
m = f' (2) = 22
maka,
y - y₁ = m (x - x₁)
y - 12 = 22(x - 2)
y - 12 = 22x - 44
y = 22x - 32
OPSI B