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प्रश्न
The roots of the quadratic equation 4x2 − 5x + 4 = 0 are ______.
पर्याय
irrational
rational and distinct
not real
rational and equal
MCQ
रिकाम्या जागा भरा
उत्तर
The roots of the quadratic equation 4x2 − 5x + 4 = 0 are not real.
Explanation:
4x2 − 5x + 4
Discriminant D = `sqrt(25 - 64)`
= `sqrt(-39) < 0`
∴ Roots are not real
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