Solve the equation using formula. $2 n^{2} - 11 n + 9 = 0$ .

1

and

\frac{9}{2}

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\frac{5}{2}

and

\frac{9}{2}

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\frac{1}{2}

and

1

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\frac{1}{2}

and

\frac{5}{2}

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Solution

The correct options are
A $1$ and $\frac{9}{2}$
$2 n^{2} - 11 n + 9 = 0$
$n = \frac{- b \pm \sqrt{b^{2} - 4 a c}}{2 a} n = \frac{11 \pm \sqrt{121 - 72}}{4} n = \frac{11 \pm 7}{4} = 1, \frac{9}{2}$
$A$ and $B$ are correct option.

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