Question 198211
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The given equation is already in slope-intercept form, so you can determine the slope of that line by inspection.


Next use:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \  L_1 \perp L_2 \ \ \Leftrightarrow\ \ m_1 = -\frac{1}{m_2} \text{ and } m_1, m_2 \neq 0]


to determine the slope of the desired line.


Now that you have the slope and one point (given) of the desired line, use the point-slope form of the equation of a line to derive the desired equation:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ y - y_1 = m(x - x_1) ]


Finally, solve the derived equation for *[tex \LARGE y] in terms of *[tex \LARGE x] to put it into slope-intercept form.


John
*[tex \LARGE e^{i\pi} + 1 = 0]
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