Q11 of 50 Page 4

If points (0, 0) and (1, 1) passes through a line ax + by = c. Prove that a + b = 0

Given line: ax + by = c


At (0, 0)


a.0 + b.0 = c


c = 0


Therefore, the equation becomes,


ax + by = 0


At (1, 1)


a.1 + b.1 = 0


a + b = 0


Hence, proved.


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