Questions
a
all m∈R
b
all m∈[-1,1]
c
all m∈R-{0}
d
None of these
detailed solution
Correct option is C
substitute the expression for y in the equation of the parabolamx−a2=4axm2x−a2=4axm2x2−4ax−2am2x+a2m2=0m2x2+x−4a−2am2+a2m2=0This is a quadratic equation, if it has two roots, its discriminant must be positive4a+2am22−4m2a2m2>02+m22−m4>0m4+4m2+4−m4>04m2+1>0For any non zero value of m this is possibleTalk to our academic expert!
Similar Questions
chord is drawn through the focus of the parabola
such that its distance from the vertex of
this parabola is then its slope can be:
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