The solution of inequality x^2-x-6<0 is : - Vidyadip

MCQ

The solution of inequality $x^2-x-6<0$ is :

A
$[-1,3]$
✓
$(-2,3)$
C
$(2,3)$
D
$(-\infty,-2) \cup(3, \infty)$

✓

Answer

Correct option: B.

$(-2,3)$

(B)

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$[\text{Hint}:\frac{^{24}\text{C}_\text{r}}{^{24}\text{C}_{\text{r}+1}}=\frac{1}{4}\ \frac{\text{r}+1}{24-\text{r}}\ \frac{1}{4}\Rightarrow4\text{r}+4=24-4\Rightarrow\text{r}=4]$