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TS EAMCET 20-July-2022 Shift 2 Solved Paper
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© examsnet.com
Question : 25
Total: 160
If
5
sinh
2
x
7
+
6
cosh
2
x
=
3
2
, then
3
tan
h
2
x
+
20
tanh
x
=
13
26
39
13
2
Validate
Solution:
5
s
i
n
h
2
x
7
+
6
cosh
2
x
=
3
2
⇒
5
2
tanh
x
1
−
tanh
2
x
7
+
6
(
1
+
tanh
2
x
1
−
tanh
2
x
)
=
3
2
⇒
10
tanh
x
7
−
7
tanh
2
x
+
6
+
6
tanh
2
x
=
3
2
⇒
10
tanh
x
13
−
tanh
2
x
=
3
2
⇒
20
tanh
x
=
39
−
3
tanh
2
x
⇒
3
tanh
2
x
+
20
tanh
x
=
39
© examsnet.com
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