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A derivative, in essence, is the gradient of a function at a point, usually denoted by dy/dx, or f'(x). It essentially means the rate of change of y with respect to x. As many functions are complex, we ca...

caro Giulio,Oggi ti vorrei raccontare come funziona la mia scuola. Le lezioni iniziano ogni mattina alle 8:30, e la giornata termina alle 16. Studio molte materie diverse: italiano, inglese, matematica, s...

v² =u²+2asv²-u²=2asa=(v²-u²)/2s as required

This sort of question would usually be a 5 mark question. Speciation is the process of forming a new species. The first stage is when a population is geographically separated so they can no longer interbr...

Both potassium and sodium are in the same group on the periodic table, but have a different atomic structure. Sodium has three outer electron rings, while potassium has 4. Both atoms only have one electro...