मराठी

State whether the following quadratic equation have two distinct real roots. Justify your answer. 2x2-32x+12=0

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प्रश्न

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

`sqrt(2)x^2 - 3/sqrt(2)x + 1/sqrt(2) = 0`

बेरीज
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उत्तर

The equation `sqrt(2)x^2 - 3/sqrt(2)x + 1/sqrt(2)` = 0 has two real and distinct roots.

D = b2 – 4ac

= `(-3/sqrt(2))^2 - 4(sqrt(2))(1/2)`

= `(9/2) - 2sqrt(2) > 0`

Hence, the roots are real and distinct.

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

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

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