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mathcalculusBest ResponseYou've already chosen the best response.0
how is the answer 7sqrt (6)/t^8?
 8 months ago

mathcalculusBest ResponseYou've already chosen the best response.0
i tried using the quotient rule .. but that didn't work
 8 months ago

katherine.okBest ResponseYou've already chosen the best response.1
so find derivative of sqrt(6)*t^7?
 8 months ago

mathcalculusBest ResponseYou've already chosen the best response.0
also the power rule... so what's next?
 8 months ago

mathcalculusBest ResponseYou've already chosen the best response.0
yes how did you get to the answer?
 8 months ago

katherine.okBest ResponseYou've already chosen the best response.1
make it first look like sqrt(6)*t^7
 8 months ago

katherine.okBest ResponseYou've already chosen the best response.1
notice that sqrt (6) is constant. and t^7 is the variable you are worrying about.
 8 months ago

mathcalculusBest ResponseYou've already chosen the best response.0
can i not use the power rule then quotient rule?
 8 months ago

katherine.okBest ResponseYou've already chosen the best response.1
because this is simply exponent derivative,you not need to worry about quotient rule , power rule.
 8 months ago

JhannybeanBest ResponseYou've already chosen the best response.0
\[\large f(t) = \frac{\sqrt{6}}{t^7} = \sqrt{6}t^{7}\]\[\large f'(t) = \sqrt{6} \cdot 7 t^{71} \]\[\large f'(t) = 7 \sqrt{6}t^{8}\]\[\large f'(t) = \frac{7\sqrt{6}}{t^8}\]
 8 months ago

katherine.okBest ResponseYou've already chosen the best response.1
power rule and quotient rule is applicable in more complicated setting where you have f(x)*g(x) .
 8 months ago

mathcalculusBest ResponseYou've already chosen the best response.0
ohhhhhhh. right right. this is just simple derivative
 8 months ago

JhannybeanBest ResponseYou've already chosen the best response.0
You should know that \[\large \frac{d}{dx} x^{n} =\frac{nx^{n1}}{n1}\]
 8 months ago
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