PreCalculus Notes: Laws of Exponents
Remember: All positive numbers have two real square roots (one positive, one negative). Negative numbers have no real square roots. Ex: 4 is a cube root of 64 because 43 = 64. Note that (4 is not a cube root of 64 because ((4)3 ( 64. Ex: (4 is a cube root of (64 because ((4)3 = 64. Remember: All real numbers have one real cube root. The root will be the same sign as the number. Remember: The ... ................
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