Show that x+1x+2x+ax+2x+3x+bx+3x+4x+c=0 where a,b,c are in A.P.

Show that $|\begin{matrix} x + 1 & x + 2 & x + a \\ x + 2 & x + 3 & x + b \\ x + 3 & x + 4 & x + c \end{matrix}| = 0$ where a,b,c are in A.P.

Matching exercise

Match the items on the right to the items on the left.

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