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If $$2x + \frac{1}{3x} = 6$$,then $$3x + \frac{1}{2x}$$ is equal to
GIven, $$2x+\ \frac{\ 1}{3x}=6$$
$$\ \frac{\ \ \ 6x^2+1}{3x}=6$$
$$\ \ 6x^2+1=18x$$
$$\ \ \ \ 6x^2-18x+1=0$$ ................(1)
Let $$3x+\ \frac{\ 1}{2x}=y$$
$$\ \frac{\ 6x^2+1}{2x}=y$$
$$\ \ 6x^2+1=2xy$$
$$\ \ 6x^2-2xy+1=0$$ ...................(2)
Subracting equation (2) from (1), we get
$$-18x+2xy=0$$
$$2xy=18x$$
$$y=9$$
$$=$$> $$3x+\ \frac{\ 1}{2x}=9$$
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