Math 1310 Practice Exam Worksheet Page 5

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21. Rationalize the denominator and simplify.
Assume that all variables represent positive numbers.
22. Simplify.
Write your answer using only a positive exponent.
Assume that the variable represents a positive real number.
23. Simplify.
24. Add.
Write your answer as a complex number in standard form.
25. Solve for
where
is a real number.

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