If a function is said to be harmonic, then – McqOptions

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1.	If a function is said to be harmonic, then
A.	tCurl(Grad V) = 0
B.	tDiv(Curl V) = 0
C.	tDiv(Grad V) = 0
D.	tGrad(Curl V) = 0
Answer» D. tGrad(Curl V) = 0

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