What is the value of the discriminant (b² - 4ac) for the quadratic equation 2x² -4x -3?
- 40
- 45
- 50
- None of these
Explanation
For equation 2x^2 - 4x - 3 = 0
a=2, b=-4, c=-3
Discriminant = b^2 - 4ac
= (-4)^2 - 4_2_(-3)
= 16 + 24
= 40
Last verified on 16-10-2026
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