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Find the equation of the line passing through (2, -1) and perpendicular to the line 2x – y = 4.
None of these
Slope of the given line is 2. By comparing with y=mx+c
The perpendicular lines have the product of their slopes= (-1)
So, slope of new line will be (-1/2)
Equation of line will be y=mx+c
So we get, y= (-1/2)x+k
We are given the point (2,-1) that will satisfy this line.
Putting these coordinates we get k=0 and the line becomes = x+2y=0
By: Amit Kumar ProfileResourcesReport error
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