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Question
What's the constant of an equation which passes through origin?
What's the constant of an equation which passes through origin?
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Solution
The general equation of a line is given by
ax + by +c = 0
If it passses through the origin,
(x,y) = (0,0) lies on the line.
Substituting , x = 0 and y = 0 in the equation, we have,
A(0) + b(0) + c = 0
So, c = 0
Hence the constant of an equation which passes through origin is 0.
The general equation of a line is given by
ax + by +c = 0
If it passses through the origin,
(x,y) = (0,0) lies on the line.
Substituting , x = 0 and y = 0 in the equation, we have,
A(0) + b(0) + c = 0
So, c = 0
Hence the constant of an equation which passes through origin is 0.
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