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प्रश्न
Find the discriminant of the following equation:
(x – 1)(2x – 1) = 0
बेरीज
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उत्तर
2x2 – 3x + 1 = 0
Comparing it with ax2 + bx + c = 0, we get
a = 2, b = –3 and c = 1
∴ Discriminant, D = b2 – 4ac
= (–3)2 – 4 × 2 × 1
= 9 – 8
= 1
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