MathematicsHard244×since 2002Q4444Let AAA be a matrix such that A.\left[ {\matrix{ 1 & 2 \cr 0 & 3 \cr } } \right] is a scalar matrix and |3A| = 108. Then A² equals :A\left[ {\matrix{ 4 & { - 32} \cr 0 & {36} \cr } } \right]B\left[ {\matrix{ {36} & 0 \cr { - 32} & 4 \cr } } \right]C\left[ {\matrix{ 4 & 0 \cr { - 32} & {36} \cr } } \right]D\left[ {\matrix{ {36} & { - 32} \cr 0 & 4 \cr } } \right]Check answerSkip