Math, asked by dhanuraut19, 6 days ago

The roots of auxillary equation of the partial differential
equation (D3 - 4D2D' + 4DD2)2 = cos(2x + 3y) are
Answer
A.
1.23
B.
01. 2
C.
0.2.2
D.
0.-2.2​

Answers

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0

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0

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