Mathematics · Vector Calculus
If r = |r| = |x i + y j + z k|, then ∇2rn is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1n(n - 1)rn - 1
- 2n(n + 1)rn - 1
- 3n(n - 1)rn - 2
- 4n(n + 1)rn - 2✓
Correct answer
n(n + 1)rn - 2
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