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Determine whether the following equation has real roots or not. If yes, find them: 3x2 − 2x + 2 = 0 - Mathematics

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Question

Determine whether the following equation has real roots or not. If yes, find them:

3x2 − 2x + 2 = 0

Sum
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Solution

Given:

3x2 − 2x + 2 = 0

a = 3, b = −2, c = 2

D = b2 − 4ac

D = (−2)2 − 4(3) (2)

= 4 − 24

= −20

Since D = −20 < 0, the discriminant is negative.

The given equation has no real roots.​

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Chapter 5: Quadratic equations - Exercise 5D [Page 77]

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Nootan Mathematics [English] Class 10 ICSE
Chapter 5 Quadratic equations
Exercise 5D | Q 3. (i) | Page 77
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