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प्रश्न
Determine the nature of the roots of the following quadratic equation :
2x2 + 5x - 6 = 0
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उत्तर
2x2 + 5x - 6 = 0
b2 - 4ac
= (5)2 - 4(2)(-6)
= 25 + 48
= 73
Since discriminant is positive, hence the roots are real and irrational.
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