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प्रश्न
The value of the discriminant of the equation 2x2 – 3x + 5 = 0, is ______.
पर्याय
31
`sqrt(-31)`
`sqrt(31)`
–31
MCQ
रिकाम्या जागा भरा
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उत्तर
The value of the discriminant of the equation 2x2 – 3x + 5 = 0, is –31.
Explanation:
For 2x2 – 3x + 5 = 0,
a = 2, b = –3, c = 5.
The discriminant D = b2 – 4ac
= (–3)2 – 4 × 2 × 5
= 9 – 40
= –31
Since D < 0, the equation has nonreal (complex) roots.
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