Mathematics
Undergraduate
f(x,y)=1+2log(1-4x+y)+2sin(2x-y+π)cos(2x-y)とする時、 f(0,0)、fx(0,0)、fy(0,0)、fxy(0,0) それぞれの値を教えてください
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Mathematics
Undergraduate
あってますか?
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