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Ellipse question

2025 · Shift 2 · Q23
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  5. /2025 · Shift 2 · Q23

Ellipse question

2025 · Shift 2 · Q23

JEE AdvancedMathematicsEllipseMultiple correct+4 / −2
Let P(x1,y1)P\left(x_1, y_1\right)P(x1​,y1​) and Q(x2,y2)Q\left(x_2, y_2\right)Q(x2​,y2​) be two distinct points on the ellipse x29+y24=1\frac{x^2}{9}+\frac{y^2}{4}=19x2​+4y2​=1 such that y1>0y_1\gt 0y1​>0, and y2>0y_2\gt 0y2​>0. Let CCC denote the circle x2+y2=9x^2+y^2=9x2+y2=9, and MMM be the point (3,0)(3,0)(3,0). Suppose the line x=x1x=x_1x=x1​ intersects CCC at RRR, and the line x=x2x=x_2x=x2​ intersects C at SSS, such that the yyy-coordinates of RRR and SSS are positive. Let ∠ROM=π6\angle R O M=\frac{\pi}{6}∠ROM=6π​ and ∠SOM=π3\angle S O M=\frac{\pi}{3}∠SOM=3π​, where OOO denotes the origin (0,0)(0,0)(0,0). Let ∣XY∣|X Y|∣XY∣ denote the length of the line segment XYX YXY. Then which of the following statements is (are) TRUE?
  1. A
    The equation of the line joining P and Q is 2x+3y=3(1+3)2x + 3y = 3(1 + \sqrt{3})2x+3y=3(1+3​)
  2. B
    The equation of the line joining P and Q is 2x+y=3(1+3)2x + y = 3(1 + \sqrt{3})2x+y=3(1+3​)
  3. C
    If N2=(x2,0)N_2 = (x_2, 0)N2​=(x2​,0), then 3∣N2Q∣=2∣N2S∣3|N_2Q| = 2|N_2S|3∣N2​Q∣=2∣N2​S∣
  4. D
    If N1=(x1,0)N_1 = (x_1, 0)N1​=(x1​,0), then 9∣N1P∣=4∣N1R∣9|N_1P| = 4|N_1R|9∣N1​P∣=4∣N1​R∣
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