The equation of the line passing through (1,11) and (4,8) can be expressed in the form x/a + y/b = 1. Find a.
Find a.
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\(y=m(x-x_p)+y_p\\y=\frac{8-11}{4-1}\cdot (x-1)+11=-x+1+11=-x+12\\ x+y=12\)
\(\dfrac{x}{12}+\dfrac{y}{12}=1\\ \)
\(a=12\)
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