Calculus, 9th edition
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9
| PAGE: 951 | SET: Exercises | PROBLEM: 9 |
Please look in your text book for this problem Statement
Gradient of the function :
.
The gradient of the vector is normal to the level surfaces.
The equation is 
and the point is 
.
Rewrite the equation as 
.
Consider 
.
Find gradient of the function.
.
Substitute the point 
in above equation.
Find the unit vector.
Unit normal vector is 
.
Unit normal vector is 
.
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