hi.please see attached file below and help me
Error, (in solve) cannot solve expressions with diff(diff(diff(f4(x), x), x), x) for diff(diff(f4(x), x), x)
thanks..error.mw
hi.please see attached file below and help me
Error, (in solve) cannot solve expressions with diff(diff(diff(f4(x), x), x), x) for diff(diff(f4(x), x), x)
thanks..error.mw