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No. of values of A for which the systemof equations x 2 = y and (x-A) 2 +y 2 = 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?

Grade:11

2 Answers

jagdish singh singh
173 Points
7 years ago

Vinti Singhai
askIITians Faculty 8 Points
7 years ago
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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