find x using quadratic formula

Asked by  | 20th Jun, 2009, 07:47: PM

Expert Answer:

 

Discriminant,D=  16a-4 (a2 -b2 )*4=16b2

Roots are ,x=-4a4b/ 8 = -(a+b)/2 or (-a+b)/2

Answered by  | 22nd Jun, 2009, 12:34: PM

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