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e^x=1+x/1!+x^2/2!+x^3/3!+x^4/4!+... (x为实数)
x^5*e^x=x^5+x^6/1!+x^7/2!+x^8/3!+x^9/4!+... (x为实数)
5x^4*e^x=5x^4+5x^5/1!+5x^6/2!+5x^7/3!+5x^8/4!+... (x为实数)
(x^5+5x^4)e^x=5x^4+(1+5/1!)x^5+(1/1!+5/2!)x^6+(1/2!+5/3!)x^7+(1/3!+5/4!)x^8+... (x为实数)
x^5*e^x=x^5+x^6/1!+x^7/2!+x^8/3!+x^9/4!+... (x为实数)
5x^4*e^x=5x^4+5x^5/1!+5x^6/2!+5x^7/3!+5x^8/4!+... (x为实数)
(x^5+5x^4)e^x=5x^4+(1+5/1!)x^5+(1/1!+5/2!)x^6+(1/2!+5/3!)x^7+(1/3!+5/4!)x^8+... (x为实数)
展开全部
e^x=1+x/1!+x^2/2!+x^3/3!+x^4/4!+... x^5*e^x=x^5+x^6/1!+x^7/2!+x^8/3!+x^9/4!+... 5x^4*e^x=5x^4+5x^5/1!+5x^6/2!+5x^7/3!+5x^8/4!+... (x^5+5x^4)e^x=5x^4+(1+5/1!)x^5+(1/1!+5/2!)x^6+(1/2!+5/3!)x^7+(1/3!+5/4!)x^8+...
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