Questions
Equation of the normal at a point on the parabola
, whose ordinate is three times its abcissac
is-
a
2x+3y+44=0
b
2x−3y+44=0
c
2x+3y−44=0
d
2x−3y=0
detailed solution
Correct option is C
Equation of the normal at 9m2,−18m on theparabola is y=mx−2×9m−9m3 where −18m=3×9m2. i.e., m=0 or m=−2/3. For m=−2/3, the equationof the normal is 2x+3y−44=0.Talk to our academic expert!
Similar Questions
Locus of the point of intersection of the normals to the parabola which are at right angles is
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