Chain Rule (AQA A-Level Mathematics): Quizzes

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Chain Rule
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What is dydx\frac{dy}{dx} for y=f(g(x))y = f(g(x)) using the chain rule?

f(g(x))g(x)f'(g(x)) \cdot g'(x)

In Leibniz notation, dydx\frac{dy}{dx} equals what when y=f(u)y = f(u) and u=g(x)u = g(x)?

dydududx\frac{dy}{du} \cdot \frac{du}{dx}

For y=sin(3x)y = \sin(3x), what is the outer function?

sin(u)\sin(u)

What is dydx\frac{dy}{dx} for y=sin(3x)y = \sin(3x)?

3cos(3x)3\cos(3x)

What is dydx\frac{dy}{dx} for y=ln(5x2+1)y = \ln(5x^2 + 1)?

10x5x2+1\frac{10x}{5x^2 + 1}

What is dydx\frac{dy}{dx} for y=e1xy = e^{-\frac{1}{x}}?

e1xx2\frac{e^{-\frac{1}{x}}}{x^2}

What is dydx\frac{dy}{dx} for y=(x4+3)10y = (x^4 + 3)^{10}?

40x3(x4+3)940x^3(x^4 + 3)^9

What is dydx\frac{dy}{dx} for y=sin(ln(3x))y = \sin(\ln(3x))?

cos(ln(3x))x\frac{\cos(\ln(3x))}{x}

For y=(x2+1)8y = (x^2 + 1)^8, where is the only stationary point?

x=0x = 0

Which function needs the chain rule to differentiate?

ex2+2e^{x^2 + 2}

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