Question

Find the derivative of 7x/9

Answer 1

Y = log(7x-9)
10^y = 7x-9
Now apply natural log both sides
ln(10^y) = ln(7x-9)
Yln10 = ln(7x-9)
Now differentiate
dy/dx*ln(10) = 7/(7x-9)
dy/dx =7/{ln(10)*(7x-9)

Answer 2

Thanks bud =0)

Answer 3

I'm not sure I understand it, but I'll look it over lata