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recognise this equation has the form ax^2 + bx + c =0. An equation with this form is a quadratic. Recognise in a quadratic equation there will be 2 values of x that will equal 0. These 2 values wil...

If we were looking at this as if it were an exam question we'd try to address maybe three areas that we could identify and talk about in some detail during the timed essay. Perhaps first we'd consider the...

B = R/S 2-hydroxybutanenitrile
we get a racemic mixture because the carbon in the aldehyde where the nucleophile attacks has a trigonal planar geometry and so there is an equal chance of attack by th...

This question tests the knowledge of students on indirect taxes, demerit goods, negative externalities and market failure. It is an example of a longer answer question, where students would be expected to...

The passé composé is used for actions which have been completed in the past.It is formed of an auxiliary verb, either avoir or être conjugated depending on the subject, and the past participle of the verb...