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Discuss the nature of the roots of the following equation: 3x2 – 7x + 8 = 0 - Mathematics

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Sum

Discuss the nature of the roots of the following equation: 3x2 – 7x + 8 = 0

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Solution

3x2 – 7x + 8 = 0
Here a = 3, b = –7, c = 8
∴ D = b2 – 4ac
= (–7)2 – 4 x 3 x 8
= 49 – 96
= –47
∵ D < 0
∴ Roots are not real.

Concept: Nature of Roots
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APPEARS IN

ML Aggarwal Understanding ICSE Mathematics Class 10 Solved
Chapter 5 Quadratic Equations in One Variable
Chapter Test | Q 10.1
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