Calculus 8E
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55
| PAGE: 491 | SET: Exercises | PROBLEM: 55 |
Please look in your text book for this problem Statement
(a).
The function is 
.
Apply derivative on each side with respect to 
.
Derivative of hyperbolic functions : 
and 
.
Apply second derivative on each side with respect to .
Substitute 
in the above equation.
(b).
The function is .
And 
, 
and 
.
Substittute 
in .
Since 
hence
Substitue 
in 
and equate 
.
Since 
and 
.
Hence 
Therefore 
Substitute 
in 
.
Susbtitute 
and 
and in .
(a)..
(b).
.
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