Math, asked by ajju11k, 10 months ago

which of the folowing function is not harmonic?
Select one:
a. u = e21 cos(3y)
O
b. u = x2 - y2
O
c. u = e-3x cos(3y)
d. u = x4 - 6x2y2 + y
CLEAR MY CHOICE

Answers

Answered by priyamala12

2

Answer:

b. u = x2 - y2

Step-by-step explanation:

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