Please answer with step by step explanation Share with your friends Share 0 Josepaul Paulachan answered this Dear StudentGiven a+b+c =9a2 +b2 +c2 =35Now,a+b+c2 =a2+b2+c2 +2ab+2bc+2ca92 =35+2(ab+bc+ca)81-35 =2(ab+bc+ca)ab+bc+ca =23 -----(1)Now,a3+b3+c3 -3abc = (a+b+c)(a2+b2+c2 -ab-bc-ca) =9×(a2+b2+c2-(ab+bc+ca)from (1)a3+b3+c3 -3abc = 9(35-23) =9×12 108a3+b3+c3 -3abc =108Regards 1 View Full Answer