Question

Write the expression as a single natural logarithm.
2 ln x – 4 ln c

Answer 1

http://www.chilimath.com/algebra/advanced/log/images/rules%20of%20exponents.gif

look at Rule 3 there, use that 1st :)

Answer 2

once that's done, use Rule 2 from there :)

Answer 3

I still don't get it

Answer 4

ahemm
2ln(x)
\( \bf klog(m) \implies log(m^k)\\
2ln(x) \implies ln(x^2)\)

Answer 5

Ooooooo now I get it, thanks!

Answer 6

yw