# AS level Maths Equations to Remember

### Description

A Levels Maths Kitchin CORE Flashcards on AS level Maths Equations to Remember, created by Gurdev Manchanda on 03/05/2015.
Flashcards by Gurdev Manchanda, updated more than 1 year ago
 Created by Gurdev Manchanda over 8 years ago
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## Resource summary

 Question Answer C1 Arithmetic Series : nth term Un = a + ( n - 1) d Arithemtic Series : sum Sn = n/2 ( a + (n-1) d Differentiation y=x -----> dy/dx (derivative) -----> d2y/dx2 f(x) -----> f'(x) -----> f"(x) 1. power x coefficient 2. power -1 Gives estimate for gradient of tangent Integration d2y/dx2-----> dy/dx (derivative) -----> y=x f"(x) -----> f'(x) -----> f(x) 1. power +1 2. coefficient/power 3. + C Gives equation of line Arithmetic Series: Sum using last term Sn = n/2 (a+L)

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