Question

If a, b, c, are in A.P, then the determinant $\left\begin{vmatrix}x+2&x+3 &x+2a\\x+3&x+4&x+2b \\x+4&x+5 &x+2c\end{vmatrix}\right$ is
A. 0
B. 1
C. x
D. 2x

Answer 1

If a, b, c, are in A.P, then the determinant |x+2x+3x+2ax+3x+4x+2bx +4x+5x+2c| is: (A)0( ..

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