Question 1048701
{{{system(y=kx^n,x(t))}}}-------y is in terms of x, and x is a function of t.


{{{dy/dt=k*n*x^(n-1)*(dx/dt)}}}



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Slightly clearer steps:
{{{dy/dx=8*(7x-9)^7*7}}}
{{{8*7(7x-9)^7}}}
{{{56(7x-9)^7}}}