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Using the rules of differentiation, determine  the derivative  of $ f(x)=\frac{x^2+9x+18}{x+3}$
in Grade 12 Maths by Diamond (50,571 points) | 20 views

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x+3)(x+6)/x+3 = x+6  factorize numerator then divide by common factor

then differentiate, 1x^(1-1) + 0

                       =1
by Diamond (39,577 points)

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