Essay
A radioactive radiation with strength 
is suddenly discharged. A man standing at the point 
must run away, in the direction of maximum decrease of radiation.
A) What direction should he choose?
B) The man decided to run along the path 
. Find the directional derivative of 
in the direction of the path at 
.
Correct Answer:
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A) He should choose ...View Answer
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Correct Answer:
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View Answer
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