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Let z_1,z_2 be the roots of the equation z^2+pz+q=0,p,q are complex numbers. Suppose A and B represent z_1 and z_2 in the complex plane . If angleAOB = alpha(ne0) and OA=OB (where O is the origin ) then p^2= |
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Answer» `4qcos(alpha/2)` |
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