Discriminant of the quadratic equation 2x^2 + x – 8 = 0 is
Discriminant of the quadratic equation 2x2 + x – 8 = 0 is
A) -65
B) 65
C) -127
D) -15
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2 Answers
Correct option is (B) 65
Given quadratic equation is
\(2x^2+x-8=0\)
\(\therefore\) Discriminant \(=1^2-4\times2\times-8\)
= 1+64 = 65
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