Second and Higher Derivatives (HSC SSCE Mathematics Advanced): Flashcards

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Second and Higher Derivatives
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Second derivative definition

Result of differentiating a function twice

What second derivative reveals

Curvature and concavity of function's graph

Three notations for second derivative

d2ydx2\frac{d^2y}{dx^2}, f′′(x)f''(x), f(2)(x)f^{(2)}(x)

Meaning of number in derivative notation

How many times to differentiate

Key rule when finding higher derivatives

Simplify each derivative before next one

Polynomial degree nn after nn derivatives

A constant

Polynomial degree nn after n+1n+1 derivatives

Zero

Derivatives of x−1x^{-1} eventually become zero?

No, continue indefinitely

Sign pattern in derivatives of negative exponents

Alternate between negative and positive

Effect of differentiation on polynomial degree

Decreases by one

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