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archangel

This page lists questions and answers that were posted by visitors named archangel.

Questions

The following questions were asked by visitors named archangel.

Can anyone help? i severly need this. Please and very much thank you. Ma famille et moi, nous aimons beaucoup être dehors. Quand nous avons le temps, nous sortons de la maison et nous campons dans les montagnes ou près d'un lac. Il est très important d'ap...
15 years ago

Answers

The following answers were posted by visitors named archangel.

differentiate x^2+xy+y^2 f'= 2x+y+xy'+2yy' f' =2(1)+(1)+(1)y'+2(1)y' f'= 3+3y' -3=3y' y'=-1 to find tangent line, y-y1=m(x-x1) y-1= -1(x-1) y-1= -x+1 x+y= 1+1 x+y=2 answer: x+y=2
11 years ago
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