Obtaining Centre and Radius of a Circle from General Equation of a Circle
If the algebr...
Question
If the algebraic sum of the perpendicular distances from the points (2,0),(0,2) and (1,1) to a variable straight line be zero, then the line passes through the point
A
(−1,1)
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B
(1,1)
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C
(1,−1)
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D
(−1,−1)
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Solution
The correct option is C(1,1) Let the variable line be ax+by+c=0
Given, the algebraic sum of the perpendicular from the points (2,0),(0,2) and (1,1) to this line is zero