If =xi+yj+ zk then the curl of 7 is: A. 3 В. 37 C. 1I D.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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4G
22:06
If =xi+yj+ zk then the curl of 7 is:
A. 3
B.
37
C.
0.
D. 1I
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Transcribed Image Text:4G 22:06 If =xi+yj+ zk then the curl of 7 is: A. 3 B. 37 C. 0. D. 1I Add a caption... > Status (Custom) +
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In geometry and physics and its engineering applications, we use two kinds of quantities, scalars, and vectors.

scalar is a quantity that is determined by its magnitude, its number of units measured on a suitable scale. For instance, length, temperature, and voltage are scalars.

vector is a quantity that is determined by both its magnitude and its direction, thus it is an arrow or directed line segment. For instance, a force is a vector, and so is a velocity.

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