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anonymous
 5 years ago
Find the derivative
h(x) = ln(cosh(6x))
anonymous
 5 years ago
Find the derivative h(x) = ln(cosh(6x))

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0h'(x) = (1/cosh(6x) ) * 6 h'(x) = 6 / cosh(6x)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so you dont do chain rule?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0it said that answer is wrong

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I might have it wrong, actually... I thought h was a variable again... 1 / cosh(6x) * sinh(6x) * 6

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok i saw my mistake, i forgot to put last 6

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0:D Glad to help. Teaching me something too.
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