9.2 Simplifying Radical Expressions
A perfect square (b) A perfect square (c) A perfect square (d) A perfect square Be Careful! Even though is not the same as Let a 4 and b 9, and substitute. Because we see that the expressions and are not in general the same. 13 5,1 a b 1a 1b 14 19 2 3 5 1a b 14 9 113 1a b 1a 1b 1a b 1a 1b 5 19 12 5 3 12 1512 5118 519 2 612 136 12 172 136 2 315 ...
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