if P(x,y) is any pt on the line joining the pts A(a,0) and B(0.b)
Asked by | 28th Oct, 2009, 07:11: PM
Slope of the line = (b-0)/(0-a) = -b/a,
and the y intercept is, b.
Equation of the straight line,
y = mx + c = -bx/a + b.
y = -bx/a + b
y + bx/a = b.
x/a + y/b = 1.
Answered by | 29th Oct, 2009, 12:36: AM
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