JEE Advance - Mathematics (1982 - No. 20)

The largest interval for which $${x^{12}} - {x^9} + {x^4} - x + 1 > 0$$ is

$$ - 4 < x \le 0$$

$$\,0 < x < 1$$

$$ - 100 < x < 100$$

$$ - \infty < x < \infty $$

Bình luận (0)

Quảng cáo