Calculate the outward flux of the field F(x,y)=xi+y^2j
across the square bounded by the lines x=-1 , x=1 , y=-1 ,and y=1.
show that the function f(x)= x^4 + 2 x^2 -2 has exactly one zero on the
interval[1,0]
很急@@
請高手幫忙一下><
謝謝大家了...
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