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प्रश्न
Discuss the nature of roots of 9x2 + 5x = 0
उत्तर
9x2 + 5x = 0
a = 9, b = 5, c = 0
∆ = b2 – 4ac
= 52 – 4(9)(0)
= 25 > 0
⇒ The roots are real and distinct
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