Question

What is the result of multiplication by \[0\] for a matrix \[A\]?

विकल्प

• \[0\cdot A=-A\]

• \[0\cdot A=1\cdot A\]

• \[0\cdot A=O\]

• \[0\cdot A=A\]

Answer 1

Multiplying every entry of \[A\] by \[0\] produces zero in every position. Hence, \[0\cdot A=O\].