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A scalar is a value that has only a size (otherwise known as magnitude), not a direction. A scalar is unaffected by the direction in which the object concerned is travelling. Examples include kinetic ener...

First of all it is using the factor theorem. 

so need to use that to show it is a factor 

We do this by P of (-3) should = 0 

So substitute x with -3 

 p(-3)= (-3)3 - 5 (-3)2- ...

For IB English Literature, and indeed for all essay-based subjects at this level, an introduction is vital, as it sets out your aims and interests to the examiner while also providing insight into your me...

After careful consideration, we can see the function f(x) is the product of two individual functions. Usually, to find the area under a curve we integrate its function between a set limit. Given our situa...

balanced equation:  N_{2 (g)} + 3H_{2 (g)} <---> 2NH_{3 (g)}  Both reactants and products are gases, therefore it affect Kp value. This equation reaches equi...