List of top B.Ed. Mathematics Questions on mathematical reasoning

If \(a,b,c\) are in arithmetic progression, then find the value of \[ \left| \begin{array}{ccc} x+2 & x+3 & x+2a\\ x+3 & x+4 & x+2b\\ x+4 & x+5 & x+2c\\ \end{array} \right|. \]