SubArea: Matrices and determinantsLevel: BProject ID: 2000018905Accepted: 0Clonable: 0Easy: 0What is the rank of the following matrix? \[ \left (\array{ 2& 6& 10\cr 3 & 9& 15\cr 7 & 0 & 1 \cr 10 & 9 & 16} \right ) \]\(2\)\(1\)\(3\)\(4\)