1. Classify the following differential equations as to ODE/PDE, order, degree, linearity, coefficients type and homogeneity. State the independent variables and unknown functions. lyou can use a table] .. y+ri 13. +u cos(r + 1), 14. %3D 15. uxx + Uyy = 0, 16. 17. (sin 0)y" - (cos 0)y' = 2 exp(y), 18. 8 (1-)*+x 0.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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1. Classify the following differential equations as to ODE/PDE, order, degree, linearity,
coefficients type and homogeneity. State the independent variables and unknown functions.
lyou can use a table]
13.
+u cos(r + 1).
dr
14.
%3!
15. uxx + Uyy = 0,
16.
17. (sin 6)y"- (cos 8)y' 2 exp((y),
18. - (1-)* +x = 0.
Transcribed Image Text:1. Classify the following differential equations as to ODE/PDE, order, degree, linearity, coefficients type and homogeneity. State the independent variables and unknown functions. lyou can use a table] 13. +u cos(r + 1). dr 14. %3! 15. uxx + Uyy = 0, 16. 17. (sin 6)y"- (cos 8)y' 2 exp((y), 18. - (1-)* +x = 0.
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