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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 10

Determine the nature of the roots for the following quadratic equation 15x2 + 11x + 2 = 0 - Mathematics

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Question

Determine the nature of the roots for the following quadratic equation

15x2 + 11x + 2 = 0

Sum

Solution

Here a = 15, b = 11, c = 2

∆ = b2 – 4ac

∆ = 112 – 4(15) × 2

= 121 – 120

∆ = 1 > 0

So the equation will have real and unequal roots

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Quadratic Equations
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Chapter 3: Algebra - Exercise 3.13 [Page 119]

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Samacheer Kalvi Mathematics [English] Class 10 SSLC TN Board
Chapter 3 Algebra
Exercise 3.13 | Q 1. (i) | Page 119
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