MCQ
अगर $A=\left[\begin{array}{ll}1 & 9 \\ 0 & 1\end{array}\right]$ तब $A^4$ बराबर है :
- A$\left[\begin{array}{ll}1 & a^4 \\ 0 & 1\end{array}\right]$
- ✓$\left[\begin{array}{ll}1 & 36 \\ 0 & 1\end{array}\right]$
- C$\left[\begin{array}{ll}4 & a^4 \\ 0 & 4\end{array}\right]$
- D$\left[\begin{array}{cc}1 & 4 a \\ 0 & 1\end{array}\right]$
