Multiple Choice
Find the two unit vectors tangent at the point (1, 1, 1) to the curve of intersection of the surfaces xy2 + x2y + z3 = 3 and x3 - y3 - xyz = -1.
A) ± ( i + j - 2 k )
B) ± ( i - j - 2 k )
C) ± ( i - 2 j - 2 k )
D) ± ( i + j - k )
E) ± ( i + j - 2 k )
Correct Answer:

Verified
Correct Answer:
Verified
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