document.write( "Question 493313: How do you do this problem? (Cubed Root) 3z^4/2x^2 \n" ); document.write( "
Algebra.Com's Answer #335324 by stanbon(75887) ![]() You can put this solution on YOUR website! How do you do this problem? \n" ); document.write( "(Cubed Root) 3z^4/2x^2 \n" ); document.write( "---- \n" ); document.write( "cbrt[3z^4/2x^2] \n" ); document.write( "--- \n" ); document.write( "To rationalize the denominator, multiply \n" ); document.write( "numerator and denominator by 4x to get: \n" ); document.write( "---- \n" ); document.write( "cbrt[(12xz^4/8x^3] \n" ); document.write( "--- \n" ); document.write( "= cbrt[z^3/8x^3] * cbrt[12x] \n" ); document.write( "--- \n" ); document.write( "= (z/2x)*cbrt(12x) \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "======================= \n" ); document.write( " |