Based on this example:f(x)=x^2+4x+4,f '(x)=2x+4.
Answer this questions:
1) f(x)=5x^5+6x^4-17x^3-x^2+3x+4,f'(x)=?
2) f(x)=x^10+2x^9-3x^8-4x^7-5x^6-6x^5+7x^4-8x^3-9x^2+10x-11
1
Can you answer them?thx!!!!!!!!!!!!!!!
Maths question
2012-12-03 9:12 pm
回答 (1)
2012-12-03 10:01 pm
✔ 最佳答案
1) f(x) = 5x^5 + 6x^4 - 17x^3 - x^2 + 3x + 4
f'(x)= 25x^4 + 24x^3 - 51x^2 - 2x + 3
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2)
f(x) = x^10 + 2x^9 - 3x^8 - 4x^7 - 5x^6 - 6x^5 + 7x^4 - 8x^3 - 9x^2 + 10x - 11
f'(x) = 10x^9 + 18x^8 - 24x^7 - 28x^6 - 30x^5 -30x^4 + 28x^3 - 24x^2 + 18x + 10
參考: micatkie
收錄日期: 2021-04-13 19:08:58
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20121203000051KK00153