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For the equation 6x squared minus x minus 2 equals 0, the discriminant is:
A16
B49
C25
D36
Answer & Solution
Correct answer: B. 49
1. Square the coefficient of x to get 1.
2. Subtract 4 times 6 times minus 2, which adds 48.
3. The discriminant is 49.
_Source: NCERT Class 10 Mathematics, Chapter 4, Quadratic Equations._
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