Hàm số \(f(x) = \left\{ \begin{array}{l} {e^{1/x}},\,\,x \ne 0\\ 0,\,\,\,\,\,\,\,x = 0 \end{array} \right.\) có \({{f'}_ + }(0)\)là: 

2x - 3

3

0

-3

\({a^n}.\sin (ax + n\frac{\pi }{2})\)

\({a^n}.\sin (ax + \frac{\pi }{2})\)

\({a^n}.\sin (x + n\frac{\pi }{2})\)

Kết quả khác

\(y = x - \frac{1}{4}\)

\(y = \frac{x}{2} - \frac{1}{2}\)

\(y = \frac{x}{2} - \frac{1}{4}\)

\(y = \frac{x}{2} + \frac{1}{4}\)

0

-1/80

10

20

2x - 3

0

3 - 2x

2x + 3

\(\int\limits_{ - a}^a {f(x)dx = 2\int\limits_0^a {f(x)dx} } \)

\(\int\limits_{ - a}^a {f(x)dx = -\int\limits_0^a {f(x)dx} } \)

\(\int\limits_{ - a}^a {f(x)dx = \int\limits_0^a {f(x)dx} } \)

\(\int\limits_{ - a}^a {f(x)dx = 2\int\limits_{ - a/2}^{a/2} {f(x)dx} } \)

\(\frac{1}{5}\)

\(\frac{1}{64}\)

\(\frac{1}{8}\)

\(\infty\)

\((\forall x \in \left[ {a,b} \right])f(x) < g(x) \Rightarrow \int\limits_a^b {f(x)dx} > \int\limits_a^b {g(x)dx} \)

\((\forall x \in \left[ {a,b} \right])f(x) \le g(x) \Rightarrow \int\limits_a^b {f(x)dx} \le \int\limits_a^b {g(x)dx} \)

\((\forall x \in \left[ {a,b} \right])f(x) \le g(x) \Rightarrow \int\limits_a^b {f(x)g(x)dx} \le \int\limits_a^b {g(x)dx} \)

\(f(x) \le g(x) \Rightarrow \int\limits_a^b {g(x)dx} \le \int\limits_a^b {g(x)dx} \)

\(\frac{1}{5}\)

0

\(\infty \)

\(\frac{1}{10}\)

\(1+ln2\)

\(1-ln2\)

\(\frac{1}{5}\ln 2\)

\(\frac{12}{5}\ln 6\)