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Algebra Quadratic Equations

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Let p,q ∈{1,2,3,4} . The number of equations of the form px² + qx + 1 = 0 having real roots is

A. 15

B. 9

C. 7

D. 8

E. None of the above

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Correct choice: C

Explanation:

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Eamcet Mathematics Algebra Quadratic Equations

Eamcet Mathematics
Algebra Quadratic Equations