let A be a skew-symmetric matrix, then \( { A }^{ 3 } \) will be
Answer & explanation
Correct answer: option 2
\( { \left( { A }^{ 3 } \right) }^{ ' } = { \left( { A }^{ ' } \right) }^{ 3 } = { \left(-A\right) }^{ 3 } = - { A }^{ 3 } \)
let A be a skew-symmetric matrix, then \( { A }^{ 3 } \) will be
Correct answer: option 2
\( { \left( { A }^{ 3 } \right) }^{ ' } = { \left( { A }^{ ' } \right) }^{ 3 } = { \left(-A\right) }^{ 3 } = - { A }^{ 3 } \)