Questions
If the chord of the circles subtends an angle of 45° at the major segment of the circle, then the value of m is
detailed solution
Correct option is C
The given circle isx2+y2=1C≡(0,0), radius =1and chord is. y=mx+1cos45∘=CPCRPerpendicular distance from(0, 0) to the chord y = mx +1,CP=1m2+1, (CR= Radius =1)or cos45∘=1/m2+11or 12=1m2+1or m2+1=2or m=±1Talk to our academic expert!
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The range of g so that we have always a chord of contact of
tangents drawn from a real point to the circle
is
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