Skip to content
START WITH A QUESTION

What would you like to understand?

Find an answer. See the moment it becomes clear. Follow the idea further.

← Concept directory

Answers for “为什么视频要包含 $e^{2x}$ 和 $e^x$ 的例子?”

1 keyword matches

Understanding your question. You can explore the search results below now.

Understand why

↗

The example is included to demonstrate that the domination hypothesis alone is insufficient if the dominating function's integral diverges. It serves as a warning that if the finite-integral condition is not met, the desired interchange of integral and sum may fail.

Conditions: The example is presented as a warning illustration on the interval [0,∞)[0,\infty).; The function e2xe^{2x} dominates exe^x, but ∫0∞e2x dx\int_0^{\infty} e^{2x}\,dx diverges.