Ex 5.3, 2 - Chapter 5 Class 11 Complex Numbers
Last updated at Dec. 8, 2016 by Teachoo
Transcript
Ex 5.3, 2 Solve the equation 2 2 + + 1 = 0 2x2 + x + 1 = 0 The above equation is of the form 2 + + = 0 Where a = 2 , b = 1 , c = 1 = ( ( ^2 4 ))/2 = ( 1 ((1)^2 4 2 1))/(2 2) = ( 1 (1 8))/4 = ( 1 ( 7))/4 = ( 1 ( 1 7))/4 = ( 1 ( 1 ) 7)/4 = ( 1 7 )/4 Thus, = (1 7 )/2
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