Physics · Vector Calculus
Which of the following vector fields vanishes identically under the curl operator (∇×)?
- 1∇× (y+x)î + (y-x)ĵx2+y2
- 2∇× yî - xĵx2+y2
- 3∇× xî + yĵx2+y2✓
- 4∇• [xî + yĵ + zk̂(x2+y2+z2)3/2]
Correct answer
∇× xî + yĵx2+y2
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