document.write( "Question 59008: what number is larger: a) sq rt of 7 or cube rt of 19. b) cube rt of 4 or 4th rt of 6. i really need some help with this. \n" ); document.write( "
Algebra.Com's Answer #40475 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! what number is larger: \n" ); document.write( "a) sq rt of 7 or cube rt of 19. \n" ); document.write( "7^(1/2) \"compared to\" 19^(1/3) \n" ); document.write( "Raise both to the 6th power to get: \n" ); document.write( "7^3 \"compared to\" 19^2 \n" ); document.write( "343 \"compared to\" 361\" \n" ); document.write( "Since these lines can be reversed \n" ); document.write( "7^(1/2) < 19^(1/3) \n" ); document.write( "----------------------------- \n" ); document.write( " b) cube rt of 4 or 4th rt of 6. \n" ); document.write( "4^(1/3) \"compared to\" 6^(1/4) \n" ); document.write( "Raise both to the 12th power to get: \n" ); document.write( "4^4 \"compared to\" 6^3 \n" ); document.write( "256 \"compared to\" 216 \n" ); document.write( "Therefore 4^(1/3)>6^(1/4) \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--------- \n" ); document.write( " \n" ); document.write( " |