Question

Analyzing pattorn
Then ternfigels added
[
begin{array}{l}
cdot 0 .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] cdotleft[begin{array}{ll}
1 & n
0 & 1
end{array}right]
=left[begin{array}{ll}
1 & frac{n(n+1)}{2}
0 & 1
end{array}right]=left[begin{array}{ll}
1 & 378
0 & 1
end{array}right]
end{array}
]
com'paring

# [1 1][1 21 37 [in] [1 3781 If the product of n matrices is equal to the matrix then the value LO 110 1] 0 1] - LO 1]' of n is equal to - S- (A) 26 (B) 27 (D) 378 (C) 377

Solution