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first we find the first derivative of the function. Here dy/dx = x^2-8x+12. We set this to zero and factorise to obtain the roots of the function. Such that dy/dx = (x-6)(x-2)= 0. This gives the stationar...

Exam Answer: The waterfall flows over resistant hard/cap rock. A deep plunge pool is formed at the base of the waterfall due to erosion. The hard rock above is undercut by erosion of the underlying soft r...

The hormone auxin causes cells in shoots to grow faster, and cells in roots to grow more slowly. Auxin becomes more concentrated on the side of the plant that is not facing the light, the shaded side. In ...

Je ferai à manger. There is no "s" at the end of the futur at the 1st person. And you don't write "fairai" but "ferai". This verbe is quite special, and you need to know how ...

Deuxième réponse: on utilise l'auxiliaire avoir mais le sujet ici est "que" (nous nous demandons "qui est le sujet de la phrase?), qui se trouve avant le verbe avoir. Cette regle dit que no...