-2AEU2=RA Note: this Is en appoximate velue. Why?ca1 proximate alisplecewemns are A)=「中(+=0+23Ae=4 2 8EA +4坚1里3+2=2 BEA K-4 E= du e=1(x dx 4EA 32⊥8poL e=2 Lex<L 8EA 4 PoL 8毛A