Q39
The vector that is normal to the surface 2xz2 - 3xy - 4x = 7 at the point (1, -1, 2) is
A.
2i - 3j + 8k
B.
2i + 3j + 4k
C.
7i - 3j + 8k
AnswerD.
7i - 5j + 8k
Answer: Option C
Solution
Answer: Option C
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