- #1
studentxlol
- 40
- 0
Homework Statement
I don't understand how this can be written like this:
[tex]\frac{1}{(2x+1)^{1/2}}-\frac{1}{(2x+1)^{3/2}}=\frac{2x+1-1}{(2x+1)^{3/2}}=\frac{2x}{(2x+1)^{3/2}}[/tex]
What's the rule which makes this possible and explain please.