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Question

In the following figure, what is the equation of line l ?
614923_bc3d8f8161264c6aaf32a8df7968832d.png
  1. xy+3=0
  2. y=3x
  3. x+y+3=0
  4. y=x+3

A
xy+3=0
B
y=x+3
C
y=3x
D
x+y+3=0
Solution
Verified by Toppr

There are two points of intersection i.e. (0,3) and (3,0).

Equation of line is given by yy1xx1=x2x1y2y1
y3x0=3003=1
y3=x
xy+3=0.
Hence, equation of a line is xy+3=0.

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