Sir answer this question

Asked by  | 18th Feb, 2010, 01:47: PM

Expert Answer:

f(x)=x2 + px + 45

α + β = - p

αβ = 45,

Now,

(α - β)2 = 144

(α + β)2 - 4αβ =144

p2 - 4x45 = 144

p2  = 324

p = ±18

Regards,

Team,

TopperLearning.

 

Answered by  | 18th Feb, 2010, 02:36: PM

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