TS EAMCET · Maths · Circle
If the points and are conjugate with respect to the circle , then
- A
- B
- C
- D
Answer & Solution
Correct Answer
(A)
Step-by-step Solution
Detailed explanation
Equation of circle is x2+y2-2x+4y-2=0 Given Px1,y1≡2,3 & QK,-2 are conjugate with respect to given circle. Equation of polar of P is xx1+yy1-2x+x12+4y+32-2=0 ⇒2x+3y-1x+2+2y+3-2=0 ⇒2x+3y-x-2+2y+6-2=0 ⇒x+5y+2=0 ∵P2,3 & QK,-2 are…
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