Mathematics 1 Deneme Sınavı Sorusu #1219433

z = f(x, y) is defined implicitly by xz + yz – 1 = 0 ; ?f / ?x (-1, 2, 1) = ?


1

-1

0

-2

2


Yanıt Açıklaması:

at (-1, -2, 1) : ?F / ?x = z = 1 ; ?F / ?z = x + y = 1; ?f / ?x = -(?f / ?x) / (?F / ?z) = - 1 . pg. 190 . Correct answer is B.

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