Search over 10,000 free study notes

First we substitute one x or y into the other equation. The easiest one to put in in this case would be the y in equation (2). So putting the y into (1) you get x^2 + (2x-3)^2=41. Then we expand out the b...

(1+2x^2)/(3x-2)(x-1)^2 = -5/x-1 + 3/(x-1)^2 + 17/3x-2

The verb "avoir" is almost always used as an auxiliary for the present perfect/passé composé. However, when the main verb indicates movement or when it's reflexif (uses a "se") we use...

First read the question carefully and underline key words. Your argument should be along the lines of the main subject, so first identify which one it is.Once you have done that, decide on which aspect of...

In order to know when we should use the subjunctive, we have to look at the context and the words that come with the verb. We use the subjunctive when there's uncertainty or doubt, when talking about a wi...