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When a firm is making a supernormal profit, this refers to a profit level at which new firms are willing to enter the market. This suggests that the firms currently in the market are making a profit level...

This is a tricky question as there are so many ways to research. Firstly, you should decide specifically on what you specifically want to write about and research. Once you have that, googlescholar is an ...

The first step is to find out the value of x for which your bracket/value you think is a factor equals 0. So, x – 2 = 0, therefore x = 2. Now plug in this value into your original equation and if the resu...

To begin to solve this equation we must take natural logarithms of both sides of the equation. This gives: ln(3^x*e^4x) = lne^7 Then we can use the log rules on the left hand side to expand it slightly to...

Suppose we have a matrix M = [{a b} {c d}]

The inverse of a matrix M is any matrix, that when multiplied by M, gives the unit matrix (I) - in this case: [{1 0} {0 1}]

First, we have to d...