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JEE Advanced 2020 Full Test 5 Paper 2

This section contains 02 paragraph each describing theory, experiment, data etc. Four questions relate to the paragraph. Each question of a paragraph has Only One correct answer among the four choices (A),(B),(C) and (D).

Paragraph for Question Nos. 51 and 52

Locus of the centre of a circle touching the circle x2+y2−4y−2x=‌

internally and tangents on which from (1,2) is making an angle 60∘ with each other is director circle

Question : 51

Total: 54

The equation of the director circle (C) is

(x−2)2+(y−1)2=√3
(x−1)2+(y−2)2=3
(x+1)2+(y−2)2=√3
(x−1)2+(y+2)2=3

Validate

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