Question

If each element of third order determinant of value $\Delta$ is multiplied by 4, then value of the new determinant is:

• A. $\Delta$
• B. 21 $\Delta$
• C. 64 $\Delta$
• D. 128 $\Delta$

Answer 1

Answer: (C)

Value of the new determinant
$=(4{)}^{orderofdet.}\Delta =4^3\Delta =64\Delta .$