document.write( "Question 1198864: For what value of k does the following system have infinitely many solutions?
\n" );
document.write( "kx + y + z=0
\n" );
document.write( "x + 2y + kz = 0
\n" );
document.write( "-X+3z=0 \n" );
document.write( "
Algebra.Com's Answer #832523 by ikleyn(52787)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This system has infinitely many solutions if and only if the determinant of the \n" ); document.write( "coefficient matrix is zero.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So, calculate the determinant of the matrix as a function of \"k\" and equate it to zero.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "From this equation, find the value of \"k\".\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |