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Question

Mathematics Question on Matrices

If A=[120−1 26−3−3 310−6−5]\begin{bmatrix} 1 & 2 & 0 & -1\\\ 2 & 6 & -3 & -3\\\ 3 & 10 & -6 & -5 \end{bmatrix}, then which one of the following is true?

A

Rank(A)=4

B

Rank(A)=3

C

Rank(A)=2

D

Rank(A)=1

Answer

Rank(A)=2

Explanation

Solution

The correct answer is(C): Rank(A)=2