If a and b are zeroes of
polynomial 2x² + 5x + 1,
then value of a + b + ab is:
a) - 2 (b) -1 (c) 1 (d) 3
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a+b = -5/2
ab = 1/2
a+b+ab = (-5+1)/2 = -4/2 = -2 [Ans.]
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