# Diff + Int

Flashcards by , created almost 6 years ago

## Core 2 (Diff + Int) Flashcards on Diff + Int, created by Ben Smith on 04/29/2013.

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 Created by Ben Smith almost 6 years ago
Core 2 Chapter 1
Trigonometry
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Social Influence
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GCE Core Mathematics 2
Logarithms
Edexcel Core 2 Maths - Key Facts
Pure Mathematics with FP1 and FP2
 Question Answer derivative of x(n)? nx(n-1) What does value of derivative at point P tell you? Gradient of tangent at point P If gradient of tangent of m, what is gradient of normal? -1/m if dy/dx is posotive at x=a, then is y increasing or decreasing? increasing if dy/dx is negative at x=a, then is y increasing or decreasing? decreasing! dy/dx = 0? stationary points at local maximum, does dy/dx go from pos to neg or neg to pos? local minimum? pos to neg neg to pos second derivative posotive? second derivative negative? local minimum local maximum intergrate x(n) x(n+1)/n+1 What value does an area below the x-axis have? negative value Trapezium rule h? how to improve estimate? cure below line segments? curve above line segments? 0.5h(end ordinates + 2(sum of interior ordinates) gap between ordinates use more ordinates overestimate underestimate