Re: [考古] 請問義守97
※ 引述《FCSHSKY (^^)》之銘言:
: 請問
: 第ㄧ題
: IF f(x,y)=e^x^2 sin(x+y)+e^x+y, then fxy(0,0)=?
: 第二題
: Let D be the region bounded by x=1, x=-1,y=x^3 and y=x.
: Then the area of D is equal to?
: 就這兩題,拜託高手們解答 感激不盡呀orz.......
fxy=fyx(0.0)
=e^x^2*sin(x+y)*2x=0
第二題
積分0到1 2倍(x-x^3)dx
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