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Evaluate f(x) and f(y) at the indicated point.

Evaluate fx and fy at the indicated point

f(x,y)= arccos xy pt. (1,1)

Solution Preview

Solution. Since f(x,y)=Arccos xy, by the definition, we have
fx(1,1)=Lim[Arccosx-Arccos1]/[x-1] when x tends to ...

Solution Summary

Functions are evaluated using limits.

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