Wednesday, 2 March 2016

calculus - Can be solved without L'Hopital?



Can this limit be evaluated without l'hopital's rule?



limh038+h2h


Answer



x3y3=(xy)(x2+xy+y2)xy=x3y3x2+xy+y2



Now we put




x=38+h,y=238+h2=8+h8(8+y)2/3+238+h+4



38+h2h=1(8+h)2/3+238+h+4h0182/3+238+4=


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