A. If g(x) = 4x√x , find g'(x) B. Hence find g'(25)?
回答 (2)
2015-01-28 2:42 pm
30..Meng helped..
2015-01-28 2:00 pm
g(x)
= 4x sqrt(x)
= 4x * x^(1/2)
= 4x^(3/2)
g'(x)
= (4)(3/2)x^(1/2)
= 6x^(1/2)
= 6sqrt(x)
g'(25)
= 6sqrt(25)
= 6 * 5
= 30
= 4x sqrt(x)
= 4x * x^(1/2)
= 4x^(3/2)
g'(x)
= (4)(3/2)x^(1/2)
= 6x^(1/2)
= 6sqrt(x)
g'(25)
= 6sqrt(25)
= 6 * 5
= 30
收錄日期: 2021-04-15 18:03:17
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150128055755AAUQKhD