1.If a,b,ca, b, ca,b,c are in AP, then ∣x+1x+2x+ax+2x+3x+bx+3x+4x+c∣\begin{vmatrix} x+1 & x+2 & x+a \\ x+2 & x+3 & x+b \\ x+3 & x+4 & x+c \end{vmatrix}x+1x+2x+3x+2x+3x+4x+ax+bx+c equals:a.a+b+ca + b + ca+b+cb.x+a+b+cx + a + b + cx+a+b+cc.000d.None of theseLogin to continueOnly logged in users canattempt or see the solution.
