Question 7 (Choice - 2) - CBSE Class 10 Sample Paper for 2021 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards

Last updated at April 16, 2024 by Teachoo

For what value(s) of ‘a’ quadratic equation 3𝑎𝑥 ² − 6𝑥 + 1 = 0 has no real roots?

For what value(s) of ‘a’ quadratic equation 3ax^2 − 6x + 1 = 0 has no

Question 7 (Choice - 2) - CBSE Class 10 Sample Paper for 2021 Boards - Maths Standard - Part 2

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Question 7 (Choice - 2) For what value(s) of ‘a’ quadratic equation 3𝑎𝑥2 − 6𝑥 + 1 = 0 has no real roots? Given equation 3ax2 − 6x + 1 = 0 Since it has no real roots D < 0 b2 − 4ac < 0 Putting a = 3a, b = −6, c = 1 (−6)2 − 4(3a)(1) < 0 36 − 12a < 0 36 < 12a 12a > 36 a > 36/12 a > 3

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo

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