How to solve this problem and show steps of solving??? Share with your friends Share 0 Ankita Agarwal answered this Dear Student, a+b+c = 9ab+bc+ac = 26Using formula,a+b+c2 = a2+b2+c2+2ab+bc+ca92 = a2+b2+c2+226a2+b2+c2 = 81-52a2+b2+c2 = 29Using formula,a3+b3+c3-3abc = a2+b2+c2-ab-bc-caa+b+ca3+b3+c3-3abc = 29-26×9a3+b3+c3-3abc = 3×9a3+b3+c3-3abc = 27Hence, option 2 is correct Regards 0 View Full Answer
