You should use this site to check your derivatives
Wolfram Mathematica Online Integrator
For no.4 should be
and
No.3
N.B
1) find y' if
Attempt:
2) find y" if
Attempt:
y'=
y"=
3) find y" if
Attempt:
y'=
y"=
4)find y" if
Attempt;
y'=
y"=
5)find y" if
Attempt:
y'=
y"=
Please check is my answer are correct,if not write the correct solution in steps...
Thank you
You should use this site to check your derivatives
Wolfram Mathematica Online Integrator
For no.4 should be
and
No.3
N.B