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The subjunctive isn't a tense (like the present, past or conditional), it's a mood used to express thoughts, possibility or necessity. The subjunctive is triggered by certain verb structures that you will...

increased pressure in the ventricles the pressure in the ventricles is higher than the pressure in the atria causing the atrioventricular valves to closecausing the semilunar valves to open and the blood ...

Oui, je porte un uniforme scolaire. On a deux types: un uniforme pour les jours où on a sport, et un uniforme pour les autres jours. J'aimerai porter mes propres habits, de pouvoir choisir ce que je vais ...

The first step in scoring full marks on this typically 4 mark question is to recognise what it's asking you to do. We use the process of differentiation to solve it. f(x)=2x^3 - 2x^2 + 8xf'(x) = 6x^2 - 4x...

We need to split the initial fraction into two. We know that (x-5)/(x+1)(x-2) is equivalent to A/(x+1) + B/(x-2). Multiplying by (x+1)(x-2) we get x-5 = A(x-2) + B(x+1). Expanding the brackets gives x - 5...