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Grade: 9
        
Suppose p and q are real numbers which do not take simultaneously the values p = 0, q = 1. Suppose the equation
 
(1-q+p2/2)x2 + p(1+q)x + q(q-1) + p2/2 = 0
 
has two equal roots. Prove that p2 = 4q.
6 months ago

Answers : (1)

Dhwanit Hura
28 Points
							For the quadratic equation to have equal roots, their discriminant must be zero.Put D=0, u will get the required result.
						
6 months ago
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