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OpenStudy (anonymous):
find the 57th derivative of y = cos(7x)
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OpenStudy (freckles):
you should see a pattern try to find the first 4 derivatives
OpenStudy (chosenmatt):
^^^
OpenStudy (freckles):
when you get y' , y'', y^(3), y^(4) please let me know
OpenStudy (anonymous):
okay sorry lost internet connection -7sin(7x) -7^2cos(7x) 7^3sin(7x) 7^4cos(7x)
OpenStudy (anonymous):
so would the answer be -7^57sin(7x)?
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OpenStudy (anonymous):
@freckles ?
OpenStudy (anonymous):
looks good to me!
OpenStudy (anonymous):
okay thank you :D
OpenStudy (anonymous):
well done!
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