19.+lim_(x→∞)sin(ln(1+(2x+1)/(x^2))=
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亲你好，非常高兴为你解答，lim(x趋于-1)(sin(x+1))/2(x+1)=lim(x趋于-1)(sin(x+1))'/(2(x+1))'=lim(x趋于-1)(cos(x+1))/2= cos0/2= 1/2
咨询记录 · 回答于2023-01-04
19.+lim_(x→∞)sin(ln(1+(2x+1)/(x^2))=
亲你好，非常高兴为你解答，lim(x趋于-1)(sin(x+1))/2(x+1)=lim(x趋于-1)(sin(x+1))'/(2(x+1))'=lim(x趋于-1)(cos(x+1))/2= cos0/2= 1/2
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