If the roots of the equation 2x² + 8x - m³ = 0 are equal, then the value of m is (a) -3 (b) -1 (c) 1 (d) -2.
Added by Alexander T.
Step 1
For a quadratic equation of the form \( ax^2 + bx + c = 0 \), the roots are equal if the discriminant is zero. The discriminant \(\Delta\) is given by \( b^2 - 4ac \). Show more…
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