6. Equations With Radicals
It is important in this section to check your solutions in the original equation, as the process that we use to solve these often produces solutions which actually don't work when subsituted back into the original equation.
(In fact, it is always good to check solutions for equations - you learn so much more about why things are working the way they do. ^_^)
Example:
Solve 
Exercises
1. Solve
2. Solve
3. Solve
4. In the study of spur gears in contact, the equation
is used. Solve for 
.
[Being able to solve equations like this is important for science and engineering. We often need to solve for a particular variable in a formula.]
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