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in Polynomials by (47.8k points)
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The sum of the zeros of the polynomial x(2x – 5) – 3 is 

(A) 2/5

(B) - 5/2

(C) - 3/2

(D) 5/2

1 Answer

+1 vote
by (48.6k points)
edited by
 
Best answer

Correct option is (D) 5/2

x(2x - 5)-3 

\(=  2 x^2-5 x-3\)

Sum of  Zeros (\(\alpha+\beta\)) = \(\frac{-b}{a}\)

\( =\frac{-(-5)}{2}\)

\( =\frac{5}{2}\)

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