(NAS) If f (x, y) = xcos (xy) then find fr. O cos (y) – zysin (zy) cos (zy) – ysin (xy) cos (zy) – rysin (zy) cos (ry) + zysin (xy) Submit You have used 0 of 1 attempt Multiple Choice (NAS) If h (x, y) = 32²ln (xy²) then find hzy. 12ry 12z

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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(NAS) If f (x, y)
= xcos (xy) then find fr.
O cos (y) – rysin (xy)
O cos (ry) – ysin (xy)
O cos (ry) – rysin (xy)
O cos (ry) + zysin (ry)
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You have used0 of 1 attempt
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Multiple Choice
(NAS) If h (x, y) = 3x?ln (xy²) then find hæy.
O 12ry
Transcribed Image Text:(NAS) If f (x, y) = xcos (xy) then find fr. O cos (y) – rysin (xy) O cos (ry) – ysin (xy) O cos (ry) – rysin (xy) O cos (ry) + zysin (ry) Submit You have used0 of 1 attempt Save Multiple Choice (NAS) If h (x, y) = 3x?ln (xy²) then find hæy. O 12ry
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