Appendix A - A Exercises - Page A6: 38

$$(x+1)(x^{-1})(6-x)^{-.5}$$

We know that we can take values from the denominator to the numerator by putting a negative in front of the power that they are raised to. Thus, we see that this expression becomes: $$(x+1)(x^{-1})(6-x)^{-.5}$$