If a=b=c, then the rank of the matrix A=[[1,1,1],[b+c,c+a,a+b],[bc,ca,ab]] is:
PYQ UPPSC LT Grade (Assistant Teacher) 2025
If a=b=c, then the rank of the matrix A=[[1,1,1],[b+c,c+a,a+b],[bc,ca,ab]] is:
- A.
2
- B.
4
- C.
3
- D.
1
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