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solve for alpha and beta

Asked by palaksophia 26th September 2009, 11:12 AM
Answered by Expert
Answer:

f(x) = ax2 + bx +c

The zeros are given by,

x = (- b ± (b2 - 4ac))/(2a)

Let @ = (- b + (b2 - 4ac))/(2a) and & = (- b - (b2 - 4ac))/(2a)

@ - & = (- b + (b2 - 4ac))/(2a) - (- b - (b2 - 4ac))/(2a)

= (b2 - 4ac)/a ...............................Answer

Generally the difference of the roots is,  ±(b2 - 4ac)/a.

Regards,

Team,

TopperLearning.

 

Answered by Expert 26th September 2009, 2:53 PM
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