The derivative of the derivative. When you differentiate the first derivative you get…the second derivative!!!
lesson notes: 03-second-derivative
audio: 03 second derivative
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Key points in curve sketching, such as when the derivative is either zero or undefined, are known as critical points.
lesson notes: 02-critical-points
audio: 02 critical points
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Looking at somw past HSC problems using the techniques of the basic countinhg theorem, permutations and combinations.
lesson notes: 06-probability-counting-techniques
audio: 06 probability & counting techniques
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