7. Ýí ÇáÓÄÇá ÇáÓÇÈÞ ÇáäÞØÉ A åí äÞØÉ ÇäÞáÇÈ ááãäÍäí:
\[f\left( x \right)=a{{x}^{3}}+b{{x}^{2}}\]
ÝÌÏ ÞíãÉ a , b .
7. Ýí ÇáÓÄÇá ÇáÓÇÈÞ ÇáäÞØÉ A åí äÞØÉ ÇäÞáÇÈ ááãäÍäí:
\[f\left( x \right)=a{{x}^{3}}+b{{x}^{2}}\]
ÝÌÏ ÞíãÉ a , b .
8. ÌÏ ÍÌã ÇáÌÓã ÇáäÇÊÌ ãä ÏæÑÇä C1 Íæá ã꾄 ÇáÕÇÏÇÊ ÏæÑÉ ßÇãáÉ ãÞÕæÑÇ Úáì:
\[2\le y\le 4\]
9. ÌÏ ãÚÇÏáÉ ÇáããÇÓ ááãäÍäí c1 ãä ÇáäÞØÉ ( 0 , 3- )
ÇáÊÚÏíá ÇáÃÎíÑ Êã ÈæÇÓØÉ ßÇãá ãæÓì ÇáäÇÕÑí ; 10-04-2016 ÇáÓÇÚÉ 12:10 AM
10. ÈÑåä Ãä C1 åæ ÍáÇ ááãÚÇÏáÉ ÇáÊÝÇÖáíÉ
\[y\cdot {y}'''+3{y}'\cdot {y}''=0\]
11. ÈÑåä Ãä C1 åæ ÍáÇ ááãÚÇÏáÉ ÇáÊÝÇÖáíÉ
\[{{y}^{3}}\cdot {y}''-3=0\]
12. ÞØÚÇä ÃÍÏåãÇ äÇÞÕ æÇáÂÎÑ ÒÇÆÏ åæ C1 áåãÇ äÝÓ ÇáÈÄÑÊíä ¡ ÌÏ ãÚÇÏáÉ ÇáÞØÚ ÇáäÇÞÕ ÇÐÇ ßÇä ÇáÝÑÞ Èíä Øæáí ãÍæÑíå = | 2i -| æÍÏÉ Øæá.
ÇáÐíä íÔÇåÏæä ÇáãæÖæÚ ÇáÂä: 1 (0 ãä ÇáÃÚÖÇÁ æ 1 ÒÇÆÑ)
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