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ÇáäÊÇÆÌ 1 Åáì 5 ãä 5

ÇáãæÖæÚ: áÊäÔíØ ÇáÐåä 2

  1. Top | #1

    ÊÇÑíÎ ÇáÊÓÌíá
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    áÊäÔíØ ÇáÐåä 2

    íÙá ÇáÚÇáã ÚÇáãÇ ãÇ ØáÈ ÇáÚáã¡ ÝÅä Ùä Ãäå Úáöã ÝÞÏ Ìåöá
    ãä ãæÇÖíÚ


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  3. Top | #2

    ÊÇÑíÎ ÇáÊÓÌíá
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    ÑÏ: áÊäÔíØ ÇáÐåä 2

    ÚíÏßã ãÈÇÑß æÕíÇã ãÞÈæá Çä ÔÇÁ Çááå æÇáÑÍãÉ áÔåÏÇÆäÇ
    $\LARGE {\color{DarkBlue} (1)\lim_{x\rightarrow 0}\frac{2^{x}-1}{x}=\lim_{x\rightarrow 0}\frac{2^{x}-1^{x}}{x}=ln2-ln1=ln2}$

    [SIZE=6]${\color{DarkBlue} (2)\lim_{x\rightarrow 1}\frac{lnx}{x-1}=\lim_{x\rightarrow 1}ln(1+x-1)^{\frac{1}{x-1}}$
    ${\color{DarkBlue} =\lim_{(x-1)\rightarrow 0}ln(1+\frac{1}{\frac{1}{x-1}})^{\frac{1}{x-1}}}=lne=1}$
    [/SIZE]

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  5. Top | #3

    ÊÇÑíÎ ÇáÊÓÌíá
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    ÑÏ: áÊäÔíØ ÇáÐåä 2

    $\LARGE {\color{DarkBlue} (3)\lim_{x\rightarrow 0}\frac{ln(1+2x)}{x}=\lim_{x\rightarrow 0}ln(1+\frac{2}{\frac{1}{x}})^{\frac{1}{x}}=lne^{2 }=2}$

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    ÑÏ: áÊäÔíØ ÇáÐåä 2

    ÚÇÔÊ íÏÇß íÇ ÃÓÊÇÐäÇ ÇáÌáíá Ìáíá ÇáÒíÇÏì æÈÇÑß Çááå Ýíß æßá ÚÇã æÍÖÑÊß ÈÎíÑ
    áÇ ÒáÊ ÃÐßÑß ÈÈÇÞì Íáæá ÇáãÓÇÆá Åä Ããßä Ðáß¡ ÃÏÚæ Çááå Ãä íæÝÞß æÃä íÈÇÑß áäÇ Ýì Úáãß
    íÙá ÇáÚÇáã ÚÇáãÇ ãÇ ØáÈ ÇáÚáã¡ ÝÅä Ùä Ãäå Úáöã ÝÞÏ Ìåöá
    ãä ãæÇÖíÚ


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  9. Top | #5

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    ÑÏ: áÊäÔíØ ÇáÐåä 2

    $\LARGE {\color{DarkBlue} (4)\lim_{x\rightarrow \infty }\frac{e^{-x}-1}{x}=\lim_{x\rightarrow \infty }\frac{\frac{1}{e^{x}}-1}{x}=0}$
    ${\color{DarkBlue} ()\lim_{x\rightarrow 0}\frac{a^{2x}-1}{x}=\lim_{x\rightarrow 0}\frac{(a^{2})^{x}-1^{x}}{x}=ln a^{2}}$
    ${\color{DarkBlue} \lim_{x\rightarrow 0}(1+3tan^{2}x)^{cot^{2}x}=\lim_{cotx\rightarrow \infty }(1+\frac{3}{cot^{2}x})^{cot^{2}x}=e^{3}}$

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