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Éèu1, u2ÊÇ·ÇÆë´ÎÏßÐÔ·½³Ì×éAx = bµÄÁ½¸ö½â,Èôc1u1+c2u2Ò²ÊÇ·½³Ì

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(µ¥Ñ¡Ìâ)21: Éèu1, u2ÊÇ·ÇÆë´ÎÏßÐÔ·½³Ì×éAx = bµÄÁ½¸ö½â,Èôc1u1+c2u2Ò²ÊÇ·½³Ì×éAx = bµÄ½â,Ôò( ). A: c1+c2 =1 B: c1= c2 C: c1+ c2 = 0 D: c1= 2c2
(µ¥Ñ¡Ìâ)21: Éèu1, u2ÊÇ·ÇÆë´ÎÏßÐÔ·½³Ì×éAx = bµÄÁ½¸ö½â,Èôc1u1+c2u2Ò²ÊÇ·½³Ì×éAx = bµÄ½â,Ôò( ).
A: c1+c2 =1
B: c1= c2
C: c1+ c2 = 0
D: c1= 2c2
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