what is the circumference of a circle with a radius of 6.1 centimeters? enter your answer as a decimal in the box. use 3.14 for
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Rewrite the system of equations in matrix form.
This system has a unique solution so long as the inverse of the coefficient matrix
exists. This is the case if the determinant is not zero.
We have
so the inverse, and hence a unique solution to the system of equations, exists as long as m ≠ -4.