Sum of the roots of equation x^2 - 3x - 4 = 0 is?
- -3
- 3
- -4
- None of these
Explanation
The sum of the roots of a quadratic equation ax² + bx + c = 0 is given by -b/a.
Given equation:
x² - 3x - 4 = 0
a = 1
b = -3
Sum of roots = -(-3)/1
= 3
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اس سوال کو وضاحت کے ساتھ پڑھیں
- (t² + 4)(t - 2)(t - 2)
- (t² - 4)(t² - 4)
- (t² + 4)(t + 2)(t - 2)
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- +4
- -4
- +16
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
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