- #1
fghtffyrdmns
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Homework Statement
Solving a derivative for when it equals to 7.
Homework Equations
[tex] p'(t) = {88t+210}/{2\sqrt{44t^{2}+210t}[/tex]
The Attempt at a Solution
[tex]7(2\sqrt{44t^{2}+210t}) = {88t+210}[/tex]
This is where I get stuck. Do I divied both sides by 7 then again by 2? then I would square both sides to get (88/14 - 15)^{2}. Then I expand, set it to 0 and use quadratic formula?