Chapter
Chapter 1
Section
Lectures and Quick Notes(1.4
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Lectures/Notes
4 Videos
Introduction to Elimination Method
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Section Intro
Introduction of elimination method ex1
ex Solve for (x, y) such that
\displaystyle
\begin{cases}
2x + y = 3\\
x - y = -2
\end{cases}
Therefore, (x, y) = (\dfrac{1}{3}, \dfrac{7}{3})
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3.01mins
Introduction of elimination method ex1
Elimination ex2
ex Solve for (x, y) such that
\displaystyle
\begin{cases}
2x - 5y = 11\\
5x + 2y = -2
\end{cases}
Therefore, (x, y) = (\dfrac{12}{29}, -\dfrac{59}{29}).
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2.39mins
Elimination ex2
Elimination ex3
ex Solve for (x, y) such that
\displaystyle
\begin{cases}
ax -3y = 3 \\
2x + by = 12
\end{cases}
Therefore, \dfrac{a(b + 12)}{ab + 6} - 3 = y.
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3.51mins
Elimination ex3