Question

Every biquadratic equation has at least one real root.

Answer 1

b2 −4ac > 0 There are two real roots. 3 ) Every quadratic equation has at leasttwo roots . 4 ) Every quadratic equation has at most two roots . 5 ) If the coefficients of x2 and the constant term of a quadratic equation haveopposite signs then the quadratic equation has real roots.
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