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Which of the following is true ({.} denotes the fractional part of the function)? |
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Answer» ALWAYS 1 `underset(xto2^(+))lim(x)/(x^(2)-x-2)=underset(xto2^(+))lim(x)/((x-2)(x+1))=underset(hto0)lim(2+h)/(h(3+h))=oo` `underset(hto-1)lim(x)/(x^(2)-x-2)=-underset(hto-1)lim(x)/((x-2)(x+1))` `=underset(hto0)lim(-1-h)/((-3-h)(-h))=-underset(hto0)lim(1+h)/((3+h)(h))=-oo` |
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