Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (2024)

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Completing the square and Word Problems

Question 1 (i) Deleted for CBSE Board 2024 Exams

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (2)

Question 1 (ii) Important Deleted for CBSE Board 2024 Exams

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (3)

Question 1 (iii) Deleted for CBSE Board 2024 Exams

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (4)

Question 1 (iv) Important Deleted for CBSE Board 2024 Exams

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (5)

Question 2 (i)

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (6)

Question 2 (ii)

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (7)

Question 2 (iii)

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (8)

Question 2 (iv) Important

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (9)

Question 3 (i) Important You are here

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (11)

Question 3 (ii)

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (12)

Question 4

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (13)

Question 5

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (14)

Question 6

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (15)

Question 7 Important

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (16)

Question 8 Important

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (17)

Question 9 Important

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (18)

Question 10 Important

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (19)

Question 11

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (20)

Checking quadratic equation→

Chapter 4 Class 10 Quadratic Equations

Serial order wise

  • Ex 4.1
  • Ex 4.2
  • Ex 4.3
  • Examples
  • Case Based Questions (MCQ)

  • Completing the square and Word Problems

Last updated at April 16, 2024 by Teachoo

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (21)

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (22)

Transcript

Ex 4.3 ,3Find the roots of the following equations:(i) x – 1/𝑥=3,𝑥≠0 x – 1/𝑥=3(𝑥(𝑥) − 1 )/𝑥 = 3(𝑥^2 − 1 )/𝑥 = 3 x2 – 1 = 3x x2 – 3x – 1 = 0Comparing equation with ax2 + bx + c = 0So, a = 1, b = –3, c = –1We know thatD = b2 – 4ac D = ( –3)2 – 4×1×−1D = 9 + 4 D = 13 Hence, roots to equation are given by x = (− 𝑏 ± √𝐷)/2𝑎 Putting values x = (− (− 3) ± √13)/(2 × 1)x = (3 ± √13)/2Hence, roots to equation are x = (3 + √13)/2 or x = (3 − √13)/2

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Davneet Singh

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.

Question 3 (i) - Find roots of x - 1/x = 3 [Quadratic Equations] (2024)
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