# JEE Maths Co ordinate Geometry

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## JEE Class Revise

- An isosceles ΔABC is inscribed in the circle x2 + y2 = 16. From points A, B and C three ordinates are drawn which cut the ellipse x2/16+y2/9=1 at the points P, Q and R respectively such that A and P are on the opposite sides, Q and B are on the same side and C and R are on the same side of the major axis. If ΔPQR is right angled at P and θ is the smallest angle of the ΔABC, then find the value of 16tan2θ + 8 tan θ + 9.
- Question is in the image attached
- if the coordinates of a variable point P is(acosx,bsinx) , where x is a variable quantity , then the locus of P is
- please answer
- Find the equations of circles with radius√13 units and touching 2x-3y+1=0 at (1,4)
- the equation of the circle with chord 2x=y of the circle x^2+y^2=10x as it's diameter
- Please explain the answer
- Find the value of a + b if a b=2 a.
- Q number 109 in picture ans is option B

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