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Grade: 12th pass
        If (a,1/a), (b,1/b),(c,1/c),(d,1/d) are four distinct points on a circle of radius 4 units then,abcd is equal to??
one year ago

Answers : (1)

Nishant Vora
IIT Patna
askIITians Faculty
2468 Points
							abcd = 1

Explanation:-

Let’s consider a general eqn of circle

x^2 + y^2 + 2gx + 2fy + c = 0

now put the point (t,1/t) in it we get a biquadratic and then we need to find the product of roots
one year ago
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