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JEE Advanced 2020 Full Test 5 Paper 1

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Question : 51

Total: 54

Tangent are drawn from any point on the hyperbola x2∕9−y2∕4=1 to the circle x2+y2=9 If the locus of the mid-point of the chord of contact is a a(x2+y2)2=bx2−cy2, then the value of a2+b2+c2−7870 is equal to ......

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