Search over 10,000 free study notes

we can use the subtraction method to find this out:

create a table set out like this

  2⁷  |  2⁶  |  2⁵  |  2⁴  |  2³ ...

Divide through by x so:      (dy/dx) +2(y/x) = 4x

Now multiply through by the intergrating factor:  e^(| (2/x) dx) = e^(2.ln(x)) = x^2

so you get:     (x^2)(dy/dx) + 2xy = 4...

Different factors can shift the supply curve. It must be noted that changes in prices do not shift the supply curve, but causes a movement along the curve. In order to shift the curve, there...

An increase in temperature and an increase in pressure will have contradictory effects on the reaction.

The effect of an increase in the temperature of a system, on the equilibrium of a r...

Maths is all about practise. Once you have covered a topic, you should do as many practise questions as possible to help you understand the topic. Always show your working out on your exam paper to gai...