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Why, how and when do we use partial fractions and polynomial long division?

Partial fractions and long division have the same purpose which is to decompose complex expressions into simpler ones in order to easily deal with them in calculations. Think of them as tools that we use for...
DW
Answered by Daniel W. • Maths tutor
17110 Views

When should you use the sine rule and when should you use the cosine rule?

The sine rule can be used when we either know:a) the length of two sides A and B and an angle that is not the corner where A and B meetb) two angles and the length of one side The cosine rule can be used whe...
JB
Answered by Joseph B. • Maths tutor
3554 Views

Differentiate y= (3x^2+2x-6)^8

This is an example of where we must use the chain rule: Firstly as with simpler differentiation we multiply the function by the power then subtract 1 from the power to get: 8(3x^2+2x-6)^7 Then we must also m...
OT
Answered by Ollie T. • Maths tutor
4249 Views

expand y=(x+1)(x+2) and find what are the coordinates for x intercepts?

use the smile technique
SH
Answered by Sen H. • Maths tutor
2970 Views

Simplify 4^2 x 2^4

4 2 = 2 2x2 =2 4 2 4 x2 4 = 2 8 Explanation: In order to simplify powers you need to get the same base number. In order to get this problem into the simplest form you will need to use 2 as the base number. 4...
JN
Answered by Jack N. • Maths tutor
6331 Views