Question Number 5109 by shaikreshma last updated on 13/Apr/16
$$\mathrm{If}\:\:{k}\:\mathrm{is}\:\mathrm{a}\:\mathrm{scalar}\:\mathrm{and}\:{A}\:\mathrm{is}\:\mathrm{an}\:{n}×{n}\:\mathrm{square} \\ $$$$\mathrm{matrix}.\:\mathrm{Then}\:\mid{kA}\mid= \\ $$
Commented by prakash jain last updated on 13/Apr/16
$$={k}^{{n}} \mid{A}\mid \\ $$