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Gradient is change in y divided change in x.As the change shrinks to effectively nothing (as we want to gradient at a point, not between points), we use dy/dx (the derivative of y with respect to x), to w...

In Spanish, there are 3 modes: indicative, subjunctive and imperative. We are going to be looking the first two of these. The indicative is probably the mode that you are most familiar with, and is used f...

STEP 1: Prove that the theorem holds for n = 1. Substitute n = 1 into the equation and show that the LHS = RHS.
STEP 2: Assume that the relation is true when n = k.
STEP 3: Prove that the relat...

For any mechanics question such as this one the best way to start off is by drawing a diagram of the system and including all the forces acting on the pa...

Im Buch „Der Vorleser“ von Bernhard Schlink geht es um die Beziehung zwischen Michael und Hanna, einem 15-jährigen Jungen und einer 36-jährigen Frau. Diese Affäre hat eine bedeutende Auswirkung au...