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There are 4 things we need for a group: associativity, the existence of an identity, inverses in the group and closure. The integers are definitely associative under this operation as addition is associat...

Bien que l'antisémitisme ne soit pas un sujet nouveau en France, les facteurs d'incitation essentiels dans l'actualité semblent être socio-politiques, culturels,et économiques.En fait, si dans le passé il...

Current is defined as the flow of electrons. This flow is caused by the electrons within the wire being pulled by electric field. As the electrons travel through the wire they collide with the atoms that...

Personalmente, penso che ci siano molteplici vantaggi legati all'educazione universitaria.Prima di tutto, ottenere un titolo di studio universitario permette di avere maggiori possibilità lavorative , olt...

A common C4 question where the student would need to use implicit differentiation to obtain an equation with the derrivative in it. 0 = -4sin4x + 2(dy/dx)sin2y. Then all that is required is rearranging th...