how do i do the last bit?
im unsure with the "2" root x
do i put 1 over 2 root x out in front of 2 and minus 1 from 2 root x at the end.
i dont know how to write this or if its correct
Follow Math Help Forum on Facebook and Google+
oh yeah sorry missed the 2 negatives
What's the derivative of ?
2.5 over root x?
Half of 2 is not 2 and a half...
The two alternatives you gave appear to be equivalent.
Both are correct.
is this the correct answer
thanks for all help
Except that you wrote two different things for y'. The first, , is wrong because you haven't yet differentiated the second term.