ExamBro
ExamBro
JEE Mains · Maths · STD 12 - 3 and 4 . metrices and determinant

मान लीजिए कि \(A=\begin{bmatrix}3&-4\\ 1&-1\end{bmatrix}\) और B दो आव्यूह इस प्रकार हैं कि \(A^{100}=100B+I\)। तो \(B^{100}\) के सभी अवयवों का योग ___ है।

  1. A 0
  2. B 100
  3. C 1
  4. D -1
Verified Solution

Answer & Solution

Correct Answer

(A) 0

Step-by-step Solution

Detailed explanation

\(A=I+\left[\begin{array}{ll}2 & -4 \\ 1 & -2\end{array}\right]\), let \(M=\left[\begin{array}{ll}2 & -4 \\ 1 & -2\end{array}\right]\) \(M ^2=\left[\begin{array}{ll}0 & 0 \\ 0 & 0\end{array}\right]= M ^3= M ^4=\ldots= M ^{100}\)…
Same subject
Explore more questions on app
From JEE Mains
Explore more questions on app