Grade 11Analytical Geometry
No. of values of A for which the systemof equations x2 = y and (x-A)2+y2 = 1 has exactly 3 solutions is?
No. of values of A for which the systemof equations x2 = y and (x-A)2+y2 = 1 has exactly 3 solutions is?
2 Answers
jagdish singh singh
Vinti Singhai
1. Firstly solve the two equations. You will get biquadratic in x.2. For three solutions, assume them to be x1, x1, x2 and x3.3. Use theory of equations and get the answer.Vinti SinghaiaskIITians Faculty,B.E(Honors) in Elec &Comm, Gold Medalist
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