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Mathematics 7 Online
OpenStudy (anonymous):

If y=(5/2)(e^(x/5)+e^(-x/5)), then prove that y"=y/25?

OpenStudy (experimentx):

differentiate'em twice ... and see what you get

OpenStudy (anonymous):

\[y=5/2 (e^{x/5}+e^{-x/5})\]

OpenStudy (anonymous):

\[y'=1/2e ^{-x/5}(e ^{x/5}-1)\]

OpenStudy (experimentx):

you don't have to take out that e's .... leave it as it is.

OpenStudy (anonymous):

\[y"=1/10e ^{-x/5}(e^{x/5}+1)\]

OpenStudy (experimentx):

|dw:1335390903777:dw|

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