Q2) An integrating factor of (x²+e³)dx + (e³ + 2ye¯)dy = 0 is = (A) e-* (B) e (C) e- (D) e (E) e-2x

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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please solve these two questions please sir thanks alot 

Q2) An integrating factor of
(A) e-*
(B) e
(C) e-
Q3) L {tet sint} =
(A) (²+1)²
(D)
2
[(8-2)²+1]
(B)
(E)
(x²+e)dx + (e" + 2ye)dy = 0 is
(D) e
(E) e-2
8-2
[(8-2)²+1]²
2(8-2)
[(6-2)2+1)
2(8-2)
(C) (-2)²+1
||
m² ey du = 0.
Transcribed Image Text:Q2) An integrating factor of (A) e-* (B) e (C) e- Q3) L {tet sint} = (A) (²+1)² (D) 2 [(8-2)²+1] (B) (E) (x²+e)dx + (e" + 2ye)dy = 0 is (D) e (E) e-2 8-2 [(8-2)²+1]² 2(8-2) [(6-2)2+1) 2(8-2) (C) (-2)²+1 || m² ey du = 0.
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