What is the integration of 8x^4|x|^3?
回答 (1)
2017-09-25 4:33 pm
8x⁴|x|³ =
{ -8x⁷, x < 0
{ 8x⁷, x ≥ 0
∫ 8x⁴|x|³ dx =
{ -8x⁸ + C, x < 0
{ 8x⁸ + C, x ≥ 0
Equivalently, you could write it like this:
∫ 8x⁴|x|³ dx = 8x⁸sgn(x) + C
{ -8x⁷, x < 0
{ 8x⁷, x ≥ 0
∫ 8x⁴|x|³ dx =
{ -8x⁸ + C, x < 0
{ 8x⁸ + C, x ≥ 0
Equivalently, you could write it like this:
∫ 8x⁴|x|³ dx = 8x⁸sgn(x) + C
收錄日期: 2021-04-23 22:11:00
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20170925075316AA3WF1G