Calculate the zeroes of the polynomial

Asked by priyankas | 16th Oct, 2008, 09:02: PM

Expert Answer:

polynimial x2 - x - 4

is not factorisable , so we use the quadratic formula

Comparing to ax2 + bx + c , here a = 1 , b= -1 and c = 4

So D = b2 - 4ac = 1 +16 =17

x = [ -b D]/2a  =   [1  17] / 2

Answered by  | 17th Oct, 2008, 09:34: AM

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