So, the equation ax + by = 1 represents a family of straight lines passing through a fixed point.
Comparing the equation ax + by = 1 and a + b = 1, we get
x = 1 and y = 1
So, the coordinates of fixed point is (1, 1)
So, the equation ax + by = 1 represents a family of straight lines passing through a fixed point.
Comparing the equation ax + by = 1 and a + b = 1, we get
x = 1 and y = 1
So, the coordinates of fixed point is (1, 1)