Solve the simultaneous equations xy=2 and y=3x+5.
x=1/3 and y=6 or x=-2 and y=-1
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How do I find the limit as x-->infinity of (4x^2+5)/(x^2-6)?
(x+4)((x^2) - kx - 5) is expanded and simplified. The coefficient of the x^2 term twice the coefficient of the x term. Work out the value of k.
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