1.

What is the value of\(\left| {\begin{array}{*{20}{c}} {{b^2} + {c^2}}&{ab}&{ac}\\ {ba}&{{c^2} + {a^2}}&{bc}\\ {ca}&{cb}&{{a^2} + {b^2}} \end{array}} \right|\)

A. 4a2b2c2
B. 8a2b2c2
C. 2a2b2c2
D. zero
Answer» B. 8a2b2c2


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