Solution Found!
?If f and g are twice differentiable functions, show that?2(fg) = f?2g + g?2f + 2?f ?g
Chapter 16, Problem 22(choose chapter or problem)
QUESTION:
If f and g are twice differentiable functions, show that
∇2(fg) = f∇2g + g∇2f + 2∇f ∇g
Questions & Answers
QUESTION:
If f and g are twice differentiable functions, show that
∇2(fg) = f∇2g + g∇2f + 2∇f ∇g
ANSWER:Step 1 of 2
Let and be twice differentiable functions.
To prove that
We use the following facts to prove the given identity.