The determinant left begin array 20 c 1 + text b...

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The determinant \[\left| {\begin{array}{*{20}{c}} {1 + {\text{b}}}&{\text{b}}&1 \\ {\text{b}}&{1 + {\text{b}}}&1 \\ 2&{2{\text{b}}}&1 \end{array}} \right|\] equals to

A. 0

B. 2b(b - 1)

C. 2(1 - b) (1 + 2b)

D. 3b(1 + b)

Answer: Option A

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