Physics · Mathematical Methods
The expression ∂2∂x12 + ∂2∂x22 + ∂2∂x32 + ∂2∂x42 operating on 1x12+x22+x32+x42 is proportional to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(x12 + x22 + x32 + x42)-2
- 2(x12 + x22 + x32 + x42)-3/2
- 3δ(x1)δ(x2)δ(x3)δ(x4)✓
- 4δ(x1 + x2 + x3 + x4)
Correct answer
δ(x1)δ(x2)δ(x3)δ(x4)
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