Sendo A= lim x->1 x-1/x²-4x+3 e B= limx->3 2x+5/x-1 então qual o valor de A+B?.... Pergunta de ideia deLeanashe

Leanashe @Leanashe

December 2019 1 81 Report

Sendo A= lim x->1 x-1/x²-4x+3 e B= limx->3 2x+5/x-1 então qual o valor de A+B?

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tutubtou67gi A) lim ((x+h)²-x²)/h=lim h(2x+h)/h=lim 2x+h= 2x +0=2x
h--->0 h-->0 h-->0
b) lim (2x*(2+x) +h )-( 2x*(2+x) =lim h/h = 1
h-->0 h---->0
c) lim ((1/x +1)- 1/x))/h=lim ((hx +1 -1)/x)/h=lim hx/hx=1
h-->0 h-->0 h-->0

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