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OpenStudy (anonymous):
Find the value of x so that dy/dx = 0 if y = tan^-1 (x/9) - tan^-1 (x/16). a. ± 10 b. ± 9 c. ± 11 d. ± 12
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OpenStudy (anonymous):
i getting a answer ± 12 but i wil repost it on calculus
OpenStudy (anonymous):
Yep, 7x² = 1008 => x = ± 12
OpenStudy (anonymous):
your learning kingkos
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