document.write( "Question 178026: Write the expression in the simplest form using the properties of radicals
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document.write( "3√81/5√729
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document.write( "IT SAYS (81) to the 1/3 power divided by (729) to the 1/5 power \n" );
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Algebra.Com's Answer #132982 by stanbon(75887) ![]() You can put this solution on YOUR website! (81) to the 1/3 power divided by (729) to the 1/5 power \n" ); document.write( "------------ \n" ); document.write( "81^(1/3) = 3*(3^(1/3))\r \n" ); document.write( "\n" ); document.write( "729^(1/5) = [3^(6)]^(1/5) = 3*(3^(1/5))\r \n" ); document.write( "\n" ); document.write( "------------------------------------ \n" ); document.write( "Dividing you get [3*(3^(1/3))] / [3*(3^(1/5))]\r \n" ); document.write( "\n" ); document.write( "The \"3\" factors cancel and you need to subtract the exponents to get:\r \n" ); document.write( "\n" ); document.write( "= 3^(1/3 - 1/5)\r \n" ); document.write( "\n" ); document.write( "= 3^(2/15)\r \n" ); document.write( "\n" ); document.write( "================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |