
打勾两 定积分怎么做啊
1个回答
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(1)
= √(1+(x^2)^2)*(x^2)'
= 2x√(1+x^4)
(2)
= cos(x^5)^2 * (x^5)' - cos(x^4)^2 * (x^4)'
= 5x^4cosx^10 - 4x^3cosx^8
= √(1+(x^2)^2)*(x^2)'
= 2x√(1+x^4)
(2)
= cos(x^5)^2 * (x^5)' - cos(x^4)^2 * (x^4)'
= 5x^4cosx^10 - 4x^3cosx^8
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