Find the set of values of k for which the equation 2x(sqrd) + kx + 2 = 0 has no real roots. i have no idea how to solve this... can somone please explain? thanks
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Originally Posted by RubbishAtMaths Find the set of values of k for which the equation 2x(sqrd) + kx + 2 = 0 has no real roots. i have no idea how to solve this... can somone please explain? thanks A quadratic equation of the form has no real roots when its discriminant ( ) is less than 0. In other word, you have to find values of k for which:
Originally Posted by Mush A quadratic equation of the form has no real roots when its discriminant ( ) is less than 0. In other word, you have to find values of k for which: so is the answer ?
Originally Posted by RubbishAtMaths so is the answer ? Yep!
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