Example 10 - Solve x2 + x + 1 = 0 - Chapter 5 NCERT - Examples

  1. Chapter 5 Class 11 Complex Numbers
  2. Serial order wise

Transcript

Example 10 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

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