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Explain why the equation $\frac{x^4 +1}{x^4} = \frac{1}{2}$ has no real roots.
in Grade 12 Maths by Silver Status (25.1k points) | 33 views

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Because the discriminant is greater than zero, this means that the quadratic equation has no real roots.

A discriminant is a value calculated from a quadratic equation. Its used it to 'discriminate' between the roots (or solutions) of a quadratic equation. 


A quadratic equation is one of the form: ax2 + bx + c


The discriminant, D = b2 - 4ac

by Wooden (825 points)
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1. b2 −4ac < 0 There are no real roots.

2. b2 −4ac = 0 There is one real root.

3. b2 −4ac > 0 There are two real roots.

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This is because 1/2 has no root
by (36 points)

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