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The roots of the equation 2x^2 – 6x + 3 = 0 are ______. (a) real, unequal and rational (b) real, unequal and irrational (c) real and equal (d) imaginary

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Question

The roots of the equation 2x2 – 6x + 3 = 0 are ______.

Options

  • real, unequal and rational

  • real, unequal and irrational

  • real and equal

  • imaginary

MCQ
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Solution

The roots of the equation 2x2 – 6x + 3 = 0 are real, unequal and irrational.

Explanation:

∵ D = (b2 – 4ac) 

= (–6)2 – 4 × 2 × 3 

= 36 – 24 

= 12 

12 is greater than 0 and it is not a perfect square; therefore, the roots of the equation are real, unequal and irrational.

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Chapter 4: Quadratic Equations - TEST YOURSELF [Page 239]

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R.S. Aggarwal Mathematics [English] Class 10
Chapter 4 Quadratic Equations
TEST YOURSELF | Q 23. | Page 239
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