A) \[\frac{9}{2}\]
B) \[\frac{9}{4}\]
C) \[\frac{3}{4}\]
D) None of these
Correct Answer: B
Solution :
\[\Delta =\frac{{{3}^{2}}}{2\times 1\times 2}=\frac{9}{4}\]. (Applying the formula given in the book)You need to login to perform this action.
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