Given That $g \operatorname { gd } g ( 1,1,5 ) = 3 \vec { i } - 3 \vec { j } + \vec { k }$

question 23

Multiple Choice

Given that $g \operatorname { gd } g ( 1,1,5 ) = 3 \vec { i } - 3 \vec { j } + \vec { k }$ , in which of the following directions does g increase the fastest?

• A) \(7 \vec { i } - 5 \vec { j } + 2 \vec { k }\)
• B) \(\vec { i } - \vec { k }\)
• C) \(- 3 \vec { i } + 3 \vec { j } + 2 \vec { k }\)

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