In the first one instead of .
I think the second one is ok if everything after 8x^8 really is in the denominator (which you could have specified by putting it all in parentheses).
Find the derivative of...
for this I got the following...(am I right?)
my next questions is find the derivative of...
for this i decided I need to use the quotient rule? (am i right in doing so?)
after doing the quotient rule I got this...(am I right?)