document.write( "Question 1182692: Give the integral of (2x)/(x^2+x-12) with respect to x. \n" ); document.write( "
Algebra.Com's Answer #812775 by greenestamps(13215) You can put this solution on YOUR website! \n" ); document.write( "Use partial fraction decomposition. \n" ); document.write( " \n" ); document.write( "Multiply through by the least common denominator: \n" ); document.write( " \n" ); document.write( "Equate the coefficients of the linear and constant terms on the two sides of the equation to get two equation to solve for A and B. \n" ); document.write( "A+B=2 \n" ); document.write( "4B-3A=0 \n" ); document.write( "3B+3A=6 \n" ); document.write( "7B=6 \n" ); document.write( "B=6/7 \n" ); document.write( "A=8/7 \n" ); document.write( "Rewrite the expression as the sum of two fractions with denominators that are linear polynomials: \n" ); document.write( " \n" ); document.write( "Integrate using integral(1/(x-a))= log(x-a) plus a constant. \n" ); document.write( " \n" ); document.write( " |