Find the value of k if 2 ydx+(3y+kx dy = 0 is exact. А. 2 В. 3 С. 4 D. 0 E. None of the above. O A O B O E 12. * The solution of the exact differential equation 3 x (3y +1dx+ 4x°y°dy =0 is A. x'y' +x' = C B. x'y' +x' +12r'y' = C c. 3x'y* +3x' +12x'y² = C D. 6.ry* + 6x +12x²y² =C E. None of the above. O A O B O D O E
Find the value of k if 2 ydx+(3y+kx dy = 0 is exact. А. 2 В. 3 С. 4 D. 0 E. None of the above. O A O B O E 12. * The solution of the exact differential equation 3 x (3y +1dx+ 4x°y°dy =0 is A. x'y' +x' = C B. x'y' +x' +12r'y' = C c. 3x'y* +3x' +12x'y² = C D. 6.ry* + 6x +12x²y² =C E. None of the above. O A O B O D O E
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Find the value of k if 2 ydx+(3y+kx dy = 0 is exact.
А. 2
В. 3
С. 4
D. 0
E. None of the above.
O A
O B
O E
12. *
The solution of the exact differential equation 3 x (3y +1dx+ 4x°y°dy =0 is
A. x'y' +x' = C
B. x'y' +x' +12r'y' = C
c. 3x'y* +3x' +12x'y² = C
D. 6.ry* + 6x +12x²y² =C
E. None of the above.
O A
O B
O D
O E
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