The tanh$ (2x) sech (2x) dx is equal to O A. None of the choices in the list. O B. tanh (2x) +C OC. -e2+e-2x sech (2x) sech5 (2x) -+C 3 10 OD. sech (2x) sech (2x) e 2x +e-2x -+C. 10 3 sech (2x) sech (2x) +C OE. 2(e2+e-2") 3 10

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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The tanh (2x) sech (2x) dx is equal to
O A. None of the choices in the list.
B. tanh (2x) + C
OC.
2x + e-2x
sech (2x) sech (2x)
+C
OC.
10
sech (2x)
sech (2x)
+C.
D.
1
10
e+e-2r
sech (2x)
sech (2x)
+C
OE.
1
2(e2+e-24)
10
3.
+
Transcribed Image Text:The tanh (2x) sech (2x) dx is equal to O A. None of the choices in the list. B. tanh (2x) + C OC. 2x + e-2x sech (2x) sech (2x) +C OC. 10 sech (2x) sech (2x) +C. D. 1 10 e+e-2r sech (2x) sech (2x) +C OE. 1 2(e2+e-24) 10 3. +
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