Search over 10,000 free study notes

(2+kx)^-3 = (2^-3)(1+kx/2)^-3 = (2^-3)(1+(-3)(kx/2) + [(-3)(-4)]/2! (kx/2)² + [(-3)(-4)(-5)]/3! (kx/2)³ +... )
= 1⁄8 [1 -(3kx/...

Unseen prose and poetry can seem scary, but it's actually really simple to get your head around what the author of the piece is actually trying to say, as well as how you can best answer the question. Fir...

This is a really useful system to get your head around because its one of the only examples of a hybrid electoral system. Since it is such an unusual combination, its great for bringing into questions abo...

There are 2 different ways to approach solving simultaneous equations: 1) making x or y the subject of one of the equations.2) addition or subtraction method.In this section, I will explain the first meth...

a) Why do insulin levels rise? After we have eaten, the carbohydrates in the food are broken down to glucose, which is absorbed in our intestines. This means that the level of glucose in our blood rises a...