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Example; Let vector v = (2,5,2) and vector u = (1,-2,3),then u · v = [(2 x 1) + (5 x -2) + (2 x 3)] = [2 -10 + 6] = -2 As the workings hopefully make clear in the line above, the general formula for the s...

My advice is to learn in both directions, for translation especially it is vital to have an active vocabulary rather than simply a passive one. Do whatever helps you, post its, reading, using the words in...

The subjunctive is used in several different cases, for instance, following the set phrase "bien que" or in expressions of wishing or doubt. The subjunctive is not a tense but a mood, so does no...

Structure - sensible progression, signposting. Content - demonstrates understanding of person specification through matching own experiences, consider STARR if relevant. Language/grammar - clarity, correc...

The gradient of the tangent at P (=1) will be equal to the gradient of the curve at point P (=1). The gradient at a point on a curve is given by dy/dx (the differential). First, differentiate the equation...