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Mathematics 9 Online
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

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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