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$Ingat space sifat space colon space 1. space a to the power of m over a to the power of n equals space a to the power of m minus n end exponent 2. space open parentheses a b close parentheses to the power of c equals a to the power of c. b to the power of c S e h i n g g a space colon open parentheses fraction numerator x to the power of begin display style 2 over 3 end style end exponent y to the power of negative begin display style 4 over 3 end style end exponent over denominator y to the power of begin display style 2 over 3 end style end exponent x squared end fraction close parentheses to the power of negative 3 over 4 end exponent equals open parentheses x to the power of 2 over 3 minus 2 end exponent y to the power of blank to the power of negative 4 over 3 minus 2 over 3 end exponent end exponent close parentheses to the power of negative 3 over 4 end exponent space space space space space space space space space space space space space space space space space space space space space space space space space space equals space open parentheses x to the power of 2 over 3 minus 6 over 3 end exponent y to the power of negative 6 over 3 end exponent close parentheses to the power of negative 3 over 4 end exponent space space space space space space space space space space space space space space space space space space space space space space space space space equals open parentheses x to the power of negative 4 over 3 end exponent y to the power of negative 6 over 3 end exponent close parentheses to the power of negative 3 over 4 end exponent space space space space space space space space space space space space space space space space space space space space space space space space space space equals space x to the power of negative 4 over 3 open parentheses negative 3 over 4 close parentheses end exponent space y to the power of negative 6 over 3 open parentheses negative 3 over 4 close parentheses end exponent space space space space space space space space space space space space space space space space space space space space space space space space space equals space x space y to the power of 3 over 2 end exponent equals space x y square root of y$ .