Search over 10,000 free study notes

x^2= 4(x^2 - 6x + 9)

x^2= 4x^2- 24x + 36

3x^2 - 24x + 36= 0

(x-2)(x-6)=0

x= 2 or x=6

Approaching an analysis of a large work such as a symphony can seem daunting at first, but the task can be made easy and enjoyable by setting out what features of the music to look for (such as harmony/ m...

Firstly, note that a stationary point can either be a local maximum, local minimum or point of inflexion. Now suppose you have a differentiable function (a graph which has a unique gradient/derivative at ...

The conditional tense is a bit like the future tense but with different endings. You use the stem of the verb and add on the conditional endings (the same as in the imperfect tense).

and example wo...

Use the factorisation method.

Step 1: Rewrite (x + __ )(x + __ ) = 0

Step 2: We need to fill in the blanks. The numbers we require are -2 and -9.

Step 3: We need the values of x, so t...