document.write( "Question 390479: 2 square root of a minus 1 is equals to 4a
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Algebra.Com's Answer #276862 by haileytucki(390)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "\n" ); document.write( "Since a is on the right-hand side of the equation, switch the sides so it is on the left-hand side of the equation. \n" ); document.write( "4a=2~(-1)\r \n" ); document.write( "\n" ); document.write( "Pull all perfect square roots out from under the radical. In this case, remove the i because it is a perfect square. \n" ); document.write( "4a=(2*i)\r \n" ); document.write( "\n" ); document.write( "Multiply 2 by i to get 2i. \n" ); document.write( "4a=(2i)\r \n" ); document.write( "\n" ); document.write( "Remove the parentheses around the expression 2i. \n" ); document.write( "4a=2i\r \n" ); document.write( "\n" ); document.write( "Divide each term in the equation by 4. \n" ); document.write( "(4a)/(4)=(2i)/(4)\r \n" ); document.write( "\n" ); document.write( "Simplify the left-hand side of the equation by canceling the common factors. \n" ); document.write( "a=(2i)/(4)\r \n" ); document.write( "\n" ); document.write( "Simplify the right-hand side of the equation by simplifying each term. \n" ); document.write( "a=(i)/(2) \n" ); document.write( " |