Questions
The orthocentric of the triangle formed by the lines and the line is
a
3,3
b
-3,3
c
3,-3
d
-3,-3
detailed solution
Correct option is D
The given pair of lines is xy+3x+3y+9=0 The above equation represents x+3=0 and y+3=0 which are perpendicularThe triangle formed by the given lines is right angle triangle. So that the ortho center of the triangle is vertex at right angle. Hence the point of intersection of x+3=0and y+3=0 is ortho centerTherefore, the ortho center is −3,−3Talk to our academic expert!
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The orthocentre of the triangle formed by the lines with is
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