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Plane intersection and plane equation
2022-06-30 17:17:00 【wwxy261】

Rank of coefficient matrix R(A)=2 Explain that the intersection lines of two planes intersect in pairs .
A. R(A)=2, R(A+)=3, Three planes have unique solutions .
B. R(A)=1
C. R(A)=2, R(A+)=2
D. R(A)=1.

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