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If ˉA=x2zˉi−2y2z2ˉj+xy2zˉk. Find A at point (1,-1,1)
1 Answer
written 6.0 years ago by | • modified 6.0 years ago |
Solution:
ˉA=x2zˉi−2y2z2ˉj+xy2zˉk
The divergence of ˉA is given by
∇.ˉA=∂Ax∂x+∂Ay∂y+∂Az∂z
∂Ax∂x=2xz∂Ay∂y=−4yz2∂Az∂z=xy2
Then, ∇.ˉA=2xz−4yz2+xy2
At (1, -1, 1), ∇.ˉA=2(1)(1)−4(−1)(1)2+(1)(−1)2=7