CBSE Class 10 Sample Paper for 2020 Boards - Maths Basic

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Question 6 - CBSE Class 10 Sample Paper for 2020 Boards - Maths Basic - Solutions of Sample Papers for Class 10 Boards

Last updated at April 16, 2024 by

The sum of the zeroes of the polynomial 2x 2 − 8x + 6 is

(a) −3             (b) 3              (c) −4           (d) 4

The sum of the zeroes of the polynomial 2x^2 − 8x + 6 is

Transcript

Question 6 The sum of the zeroes of the polynomial 2x2 − 8x + 6 is (a) −3 (b) 3 (c) −4 (d) 4 Given polynomial 2x2 – 8x + 6 We know that Sum of zeroes = − (𝐶𝑜𝑒𝑓𝑓𝑖𝑐𝑖𝑒𝑛𝑡 𝑜𝑓 𝑥)/(𝐶𝑜𝑒𝑓𝑓𝑖𝑐𝑖𝑒𝑛𝑡 𝑜𝑓 𝑥2) = − ((−8))/2 = 8/2 = 4 ∴ The correct answer is (d)

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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, Social Science, Physics, Chemistry, Computer Science at Teachoo.