

Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
Examples
Example 2 (i)
Example 2 (ii) Important
Example 3
Example 4
Example 5 Important
Example 6 (i)
Example 6 (ii) Important
Example 7
Example 8 Important
Question 1 Deleted for CBSE Board 2024 Exams
Question 2 Important Deleted for CBSE Board 2024 Exams
Question 3 Deleted for CBSE Board 2024 Exams
Question 4 Deleted for CBSE Board 2024 Exams You are here
Question 5 Important Deleted for CBSE Board 2024 Exams
Question 6 (i) Important Deleted for CBSE Board 2024 Exams
Question 6 (ii) Deleted for CBSE Board 2024 Exams
Question 7 Deleted for CBSE Board 2024 Exams
Question 8 Important Deleted for CBSE Board 2024 Exams
Last updated at May 29, 2023 by Teachoo
Question 4 Solve 2 + + 1= 0 x2 + x + 1 = 0 The above equation is of the form ax2 + bx + c = 0 Where a = 1 , b = 1 , c = 1 Here, x = ( ( ^2 4 ))/2 Putting values of a , b and c = ( 1 (1^2 4 1 1))/(2 1) = ( 1 (1 4))/2 = ( 1 ( 3))/2 = ( 1 3 ( 1))/2 = ( 1 3 )/2 Thus, = ( 1 3 )/2