Y=x^2-4
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2x-6
(pakai cara yg panjang, lengkap, no copas , no google)
y = u/v
y'= (v.u' – v'.u)/v²
y = (x²-4)/(2x-6)
y' = ((2x-6).(2x)-(2)(x²-4))/(2x-6)²
y' = (4x²-12x-2x²+8)/(2x-6)²
y' = (2x²-12x+8)/(2x-6)²
y' = (x²-6x+4)/(2(x-3)²)
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