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Find the maximum length of chord of the ellipse(x^(2))/(a^(2))+(y^(2))/(b^(2))=1 then findthe locus of midpoint of PQ |
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Answer» and `Q-=(2sqrt(3)cos((pi)/(2)+theta),2SIN((pi)/(2)+theta))` or `Q-=(-2sqrt(2)sin theta, 2 cos theta)` `(PQ)^(2)=8(cos theta+sin theta)^(2)+4(sin theta-cos theta)^(2)=12+4 sin 2 theta` `:. (PQ)_("max")=4` |
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