CBSE Class 10 Answered
Calculate the zeroes of the polynomial
Asked by priyankas | 16 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 | 17 Oct, 2008, 09:34: AM
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