ÏÂÁÐʹÓÃÀà±ÈÍÆÀíËùµÃ½áÂÛÕýÈ·µÄÐòºÅÊÇ    £®
£¨1£©Ö±Ïßa£¬b£¬c£¬Èôa¡Îb£¬b¡Îc£¬Ôòa¡Îc£®ÀàÍƳö£ºÏòÁ¿£¬ÈôÔò£®
£¨2£©Í¬Ò»Æ½ÃæÄÚ£¬ÈýÌõ²»Í¬µÄÖ±Ïßa£¬b£¬c£¬Èôa¡Íc£¬b¡Íc£¬Ôòa¡Îb£®ÀàÍƳö£º¿Õ¼äÖУ¬ÈýÌõ²»Í¬µÄÖ±Ïßa£¬b£¬c£¬Èôa¡Íc£¬b¡Íc£¬Ôòa¡Îb£®
£¨3£©ÈÎÒâa£¬b¡ÊR£¬a-b£¾0Ôòa£¾b£®Àà±È³ö£ºÈÎÒâa£¬b¡ÊC£¬a-b£¾0Ôòa£¾b£®
£¨4£©ÒԵ㣨0£¬0£©ÎªÔ²ÐÄ£¬rΪ°ë¾¶µÄÔ²µÄ·½³ÌÊÇx2+y2=r2£®ÀàÍƳö£ºÒԵ㣨0£¬0£¬0£©ÎªÇòÐÄ£¬rΪ°ë¾¶µÄÇòµÄ·½³ÌÊÇx2+y2+z2=r2£®
¡¾´ð°¸¡¿·ÖÎö£º±¾Ì⿼²éµÄ֪ʶµãÊÇÀà±ÈÍÆÀí£¬ÎÒÃǸù¾ÝÅжÏÃüÌâÕæ¼ÙµÄ°ì·¨£¬¶ÔËĸö´ð°¸ÖÐÀà±ÈËùµÃµÄ½áÂÛÖðÒ»½øÐÐÅжϣ¬¼´¿ÉµÃµ½´ð°¸£®
½â´ð£º½â£º£¨1£©ÈôÏòÁ¿=£¬ÔòÈôÔò²»ÕýÈ·£¬¹Ê£¨1£©´íÎó£»
£¨2£©¿Õ¼äÄÚ£¬Ö±ÏßaÓëb¿ÉÒÔÏཻ¡¢Æ½ÐС¢ÒìÃ棬¹Ê£¨2£©²»ÕýÈ·£»
£¨3£©Èôa£¬b¡ÊC£¬µ±a=1+i£¬b=iʱ£¬a-b=1£¾0£¬µ«a£¬b ÊÇÁ½¸öÐéÊý£¬²»ÄܱȽϴóС£®¹Ê£¨3£©²»ÕýÈ·£»
£¨4£©ÉèµãP£¨x£¬y£¬z£©ÊÇÇòÃæÉϵÄÈÎÒ»µã£¬ÓÉ|OP|=r£¬µÃ=r£¬´Ó¶øÇòµÄ·½³ÌÊÇx2+y2+z2=r2£®¹Ê£¨4£©ÕýÈ·£®
¹Ê´ð°¸Îª£º£¨4£©£®
µãÆÀ£º¹éÄÉÍÆÀíÓëÀà±ÈÍÆÀí²»Ò»¶¨ÕýÈ·£¬ÎÒÃÇÔÚ½øÐÐÀà±ÈÍÆÀíʱ£¬Ò»¶¨Òª×¢Òâ¶Ô½áÂÛ½øÐнøÒ»²½µÄÂÛÖ¤£¬Èç¹ûÒªÖ¤Ã÷Ò»¸ö½áÂÛÊÇÕýÈ·µÄ£¬Òª¾­¹ýÑÏÃܵÄÂÛÖ¤£¬µ«ÒªÖ¤Ã÷Ò»¸ö½áÂÛÊÇ´íÎóµÄ£¬Ö»ÐèÒª¾Ù³öÒ»¸ö·´Àý£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

ÏÂÁÐʹÓÃÀà±ÈÍÆÀíËùµÃ½áÂÛÕýÈ·µÄÐòºÅÊÇ
£¨4£©
£¨4£©
£®
£¨1£©Ö±Ïßa£¬b£¬c£¬Èôa¡Îb£¬b¡Îc£¬Ôòa¡Îc£®ÀàÍƳö£ºÏòÁ¿
a
£¬
b
£¬
c
£¬Èô
a
¡Î
b
£¬
b
¡Î
c
Ôò
a
¡Î
c
£®
£¨2£©Í¬Ò»Æ½ÃæÄÚ£¬ÈýÌõ²»Í¬µÄÖ±Ïßa£¬b£¬c£¬Èôa¡Íc£¬b¡Íc£¬Ôòa¡Îb£®ÀàÍƳö£º¿Õ¼äÖУ¬ÈýÌõ²»Í¬µÄÖ±Ïßa£¬b£¬c£¬Èôa¡Íc£¬b¡Íc£¬Ôòa¡Îb£®
£¨3£©ÈÎÒâa£¬b¡ÊR£¬a-b£¾0Ôòa£¾b£®Àà±È³ö£ºÈÎÒâa£¬b¡ÊC£¬a-b£¾0Ôòa£¾b£®
£¨4£©ÒԵ㣨0£¬0£©ÎªÔ²ÐÄ£¬rΪ°ë¾¶µÄÔ²µÄ·½³ÌÊÇx2+y2=r2£®ÀàÍƳö£ºÒԵ㣨0£¬0£¬0£©ÎªÇòÐÄ£¬rΪ°ë¾¶µÄÇòµÄ·½³ÌÊÇx2+y2+z2=r2£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£ººÚÁú½­Ê¡¹þ¶û±õÊеÚÁùÖÐѧ2012½ì¸ßÈýµÚËÄ´ÎÄ£Ä⿼ÊÔÊýѧÀí¿ÆÊÔÌâ ÌâÐÍ£º022

ÏÂÁÐʹÓÃÀà±ÈÍÆÀíËùµÃ½áÂÛÕýÈ·µÄÐòºÅÊÇ________£®

(1)Ö±Ïßa£¬b£¬c£¬Èôa¡Îb£¬b¡Îc£¬Ôòa¡Îc£®ÀàÍƳö£ºÏòÁ¿£¬ÈôÔò

(2)ͬһƽÃæÄÚ£¬ÈýÌõ²»Í¬µÄÖ±Ïßa£¬b£¬c£¬Èôa¡Íc£¬b¡Íc£¬Ôòa¡Îb£®ÀàÍƳö£º¿Õ¼äÖУ¬ÈýÌõ²»Í¬µÄÖ±Ïßa£¬b£¬c£¬Èôa¡Íc£¬b¡Íc£¬Ôòa¡Îb

(3)ÈÎÒâa£¬b¡ÊR£¬a£­b£¾0Ôòa£¾b£®Àà±È³ö£ºÈÎÒâa£¬b¡ÊC£¬a£­b£¾0Ôòa£¾b

(4)¡¢ÒÔµã(0£¬0)ΪԲÐÄ£¬rΪ°ë¾¶µÄÔ²µÄ·½³ÌÊÇx2£«y2£½r2£®ÀàÍƳö£ºÒÔµã(0£¬0£¬0)ΪÇòÐÄ£¬rΪ°ë¾¶µÄÇòµÄ·½³ÌÊÇx2£«y2£«z2£½r2

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º2011-2012ѧÄêºÚÁú½­Ê¡¹þ¶û±õÊиßÈýµÚËÄ´ÎÄ£Ä⿼ÊÔÀí¿ÆÊýѧÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

ÏÂÁÐʹÓÃÀà±ÈÍÆÀíËùµÃ½áÂÛÕýÈ·µÄÐòºÅÊÇ______________

£¨1£©Ö±Ïߣ¬Èô£¬Ôò.ÀàÍƳö£ºÏòÁ¿£¬ÈôÔò

£¨2£©Í¬Ò»Æ½ÃæÄÚ£¬ÈýÌõ²»Í¬µÄÖ±Ïߣ¬Èô£¬Ôò.ÀàÍƳö£º¿Õ¼äÖУ¬ÈýÌõ²»Í¬µÄÖ±Ïߣ¬Èô£¬Ôò

£¨3£©ÈÎÒâÔò.Àà±È³ö£ºÈÎÒâÔò

£¨4£©¡¢ÒÔµãΪԲÐÄ£¬Îª°ë¾¶µÄÔ²µÄ·½³ÌÊÇ.ÀàÍƳö£ºÒÔµãΪÇòÐÄ£¬Îª°ë¾¶µÄÇòµÄ·½³ÌÊÇ

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ÏÂÁÐʹÓÃÀà±ÈÍÆÀíËùµÃ½áÂÛÕýÈ·µÄÐòºÅÊÇ________£®
£¨1£©Ö±Ïßa£¬b£¬c£¬Èôa¡Îb£¬b¡Îc£¬Ôòa¡Îc£®ÀàÍƳö£ºÏòÁ¿Êýѧ¹«Ê½£¬ÈôÊýѧ¹«Ê½ÔòÊýѧ¹«Ê½£®
£¨2£©Í¬Ò»Æ½ÃæÄÚ£¬ÈýÌõ²»Í¬µÄÖ±Ïßa£¬b£¬c£¬Èôa¡Íc£¬b¡Íc£¬Ôòa¡Îb£®ÀàÍƳö£º¿Õ¼äÖУ¬ÈýÌõ²»Í¬µÄÖ±Ïßa£¬b£¬c£¬Èôa¡Íc£¬b¡Íc£¬Ôòa¡Îb£®
£¨3£©ÈÎÒâa£¬b¡ÊR£¬a-b£¾0Ôòa£¾b£®Àà±È³ö£ºÈÎÒâa£¬b¡ÊC£¬a-b£¾0Ôòa£¾b£®
£¨4£©ÒԵ㣨0£¬0£©ÎªÔ²ÐÄ£¬rΪ°ë¾¶µÄÔ²µÄ·½³ÌÊÇx2+y2=r2£®ÀàÍƳö£ºÒԵ㣨0£¬0£¬0£©ÎªÇòÐÄ£¬rΪ°ë¾¶µÄÇòµÄ·½³ÌÊÇx2+y2+z2=r2£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸