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Vijay posted an Question
July 22, 2022 • 02:09 am 30 points
  • CSIR NET
  • Mathematical Sciences

47. the second order partial diferential equation 4 + (x- y)sin(x*+ y*) +cos (x* +y)+(x - y)+sin (x+y*)+u cy =0 (a) elliptic in the region {(x, y)%x *y,x" +y' <

47. The second order partial diferential equation 4 + (x- y)sin(x*+ y*) +cos (x* +y)+(x - y)+sin (x+y*)+u Cy =0 (A) Elliptic in the region {(x, y)%x *y,x" +y'

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