document.write( "Question 1191255: The roots of (x^3) + 2p(x^2) - px + 10 = 0 are integral and form an arithmetic sequence. What is the value of p? \n" ); document.write( "
Algebra.Com's Answer #823071 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The three roots are integers in arithmetic progression, and their product is -10. Quick trial and error shows the roots are -1, 2, and 5. The polynomial is \n" ); document.write( " \n" ); document.write( "Equate the coefficients of that polynomial and the polynomial in its given form to see that p = -3. \n" ); document.write( "ANSWER: p = -3 \n" ); document.write( " \n" ); document.write( " |