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Circle question

2023 · 24 Jan · Shift 2 · Q29
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  5. /2023 · 24 Jan · Shift 2 · Q29

Circle question

2023 · 24 Jan · Shift 2 · Q29

JEE MainMathematicsCircleMCQ+4 / −1
The locus of the mid points of the chords of the circle C1:(x−4)2+(y−5)2=4{C_1}:{(x - 4)^2} + {(y - 5)^2} = 4C1​:(x−4)2+(y−5)2=4 which subtend an angle θi{\theta _i}θi​ at the centre of the circle C1C_1C1​, is a circle of radius rir_iri​. If θ1=π3,θ3=2π3{\theta _1} = {\pi \over 3},{\theta _3} = {{2\pi } \over 3}θ1​=3π​,θ3​=32π​ and r12=r22+r32r_1^2 = r_2^2 + r_3^2r12​=r22​+r32​, then θ2{\theta _2}θ2​ is equal to :
  1. A
    π2{\pi \over 2}2π​
  2. B
    π4{\pi \over 4}4π​
  3. C
    3π4{{3\pi } \over 4}43π​
  4. D
    π6{\pi \over 6}6π​
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