Q152 / 270 · NDA 2011 (Phase 1) · Mathematics
Consider the following statements in respect of the function
$f(x)=x^3-1, x \in[-1,1]$
1. $f(x)$ is increasing in $[-1,1]$
2. $f(x)$ has no root in $(-1,1)$
Which of the statements given above is/are colrect?
- Correct answerA1 only
- B2 only
- CBoth 1 and 2
- DNeither 1 nor 2
Solution
The correct answer is option (A).
Hence, the correct answer is option: 'A'.