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first the definition of the rank of a matrix is "maximal number of linearly independent column vectors in the matrix" then the question could be rephrased to " how many independent column vect...

∫(21x 6 -e 2x -1/x+6)dx To tackle this question, I would do each part separately. Firstly, take 21x 6 ...using the product rule this intergrates like so (21/(6+1))x 6+1 = (21/7)x 7 = 3x 7 Second, e kx always...

A perfectly competitive market is a market in which there are many buyers and many sellers who all have perfect information. There are many firms in the market who all produce exactly the same product and th...

The Shadow Cabinet are members of the opposition (currently the Labour party who won the second largest proportion of seats) that sit on the front bench in The House of Commons and are seen as the alternativ...

To be able to answer this question, you must recall the facts about speed/time graphs: - A straight, horizontal line means there is no change in speed- A straight, vertical line means that there is an instan...