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JEEMAIN and NEET
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Mathematics
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Class11
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Complex Numbers and Quadratic Equations
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Q)
If $p,q\in \{1,2,3,4\},$ then the number of equations of the form $px^2+qx+1=0$ having real roots is?
(A) 15 (B) 9 (C) 8 (D) 7
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