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State whether the following quadratic equation have two distinct real roots. Justify your answer. x2 – 3x + 4 = 0 - Mathematics

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प्रश्न

State whether the following quadratic equation have two distinct real roots. Justify your answer.

x2 – 3x + 4 = 0

योग
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उत्तर

The equation x2 – 3x + 4 = 0 has no real roots.

D = b2 – 4ac

= (–3)2 – 4(1)(4)

= 9 – 16 < 0

Hence, the roots are imaginary.

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अध्याय 4: Quadatric Euation - Exercise 4.2 [पृष्ठ ३८]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 10
अध्याय 4 Quadatric Euation
Exercise 4.2 | Q 1.(i) | पृष्ठ ३८

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