Teaching MPPSC Assistant Professor Mock Test Series 2025 Physical Sciences Mathematical Methods of Physics
If \(\vec A= xy\hat i+yz\hat j+zx\hat k \ \)then find out \(\vec\nabla \times( \vec\nabla \times \vec A)\ \):
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0
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\((2\hat i+2\hat j+2\hat k)\ \)
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\((\hat i+\hat j+\hat k)\ \)
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\((\hat i+\hat k)\ \)