If the product of \( \mathrm{n} \) matrices \( \left[\begin{array}{ll}1 & 1 \\ 0 & 1\end{array}\...
If the product of \( \mathrm{n} \) matrices \( \left[\begin{array}{ll}1 & 1 \\ 0 & 1\end{array}\right]\left[\begin{array}{ll}1 & 2 \\ 0 & 1\end{array}\right]\left[\begin{array}{ll}1 & 3 \\ 0 & 1\end{array}\right] \ldots . . .\left[\begin{array}{ll}1 & \mathrm{n} \\ 0 & 1\end{array}\right] \) is equal to the matrix \( \left[\begin{array}{cc}1 & 378 \\ 0 & 1\end{array}\right] \)
\( \mathrm{P} \) then the value of \( n \) is equal to -
W
(A) 26
(B) 27
(C) 377
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