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Imperfetto and passato prossimo are both verbal forms that are used to describe actions that took place in the past. However, they cannot be used in the same way. Let's now give a look at both cases separ...

f (3) = (3)² - (3) + 7
= 9 - 3 + 7
= 13

If we were to expand the brackets for this question we might be able to get to an answer however there is a much simpler way of solving the problem. As this question is made up of two expressions of x mul...

Es imposible cerrar los ojos ante la evidencia de cambios dramáticos en el clima. En efecto, las estadísticas muestran que las temperaturas globales subirán aún más en las próximas décadas. Se calcula que...

Proof by maths induction is a type of proof used in mathematical analysis to demonstrate that a certain expression or statement P(n) involving an arbitrary neutral number n is true for all n belonging to ...