document.write( "Question 527578: Help me with these please. I don't understand the concept.
\n" );
document.write( "I need to simplify each number unsing the imaginary number i.\r
\n" );
document.write( "\n" );
document.write( "1. sqrt -72\r
\n" );
document.write( "\n" );
document.write( "2.sqrt -11/25\r
\n" );
document.write( "\n" );
document.write( "3.sqrt 3/7\r
\n" );
document.write( "\n" );
document.write( "Thank you so much!! \n" );
document.write( "
Algebra.Com's Answer #348962 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Help me with these please. I don't understand the concept. \n" ); document.write( "I need to simplify each number unsing the imaginary number i. \n" ); document.write( "1. sqrt -72 \n" ); document.write( "2.sqrt -11/25 \n" ); document.write( "3.sqrt 3/7 \n" ); document.write( "** \n" ); document.write( "√(-1)=i \n" ); document.write( "... \n" ); document.write( "1. sqrt -72=√72*√(-1)=√72i≈8.48i \n" ); document.write( "2.sqrt -11/25=√(11/25)*√(-1)=√(11/25)i≈.66i \n" ); document.write( "3.sqrt 3/7=√(3/7)≈.65 \n" ); document.write( ".. \n" ); document.write( "note: for a real solution, the number inside the radical, the radican, must≥0 \n" ); document.write( "If the radican is<0, you have an imaginary solution expressed with i. \n" ); document.write( "For a sqrt by itself, only the positive root is used. \n" ); document.write( "In an equation, however, both the positive and negative roots are used in the calculations. \n" ); document.write( " |