Let P = [ array lll 1 & 0 & 0 3 & 1 & 0 9 & 3 & 1 array ] and Q = [q ij ] be two 3 3…
Mathematics · JEE Main · NTA Exams — Matrices and Determinants
Let \(\mathbf{P}=\left[\begin{array}{lll}
1 & 0 & 0 \\
3 & 1 & 0 \\
9 & 3 & 1
\end{array}\right]\) and Q = [qij] be two \(3 \times 3\) matrices such that Q - P5 = I3. Then \(\frac{921+931}{932}\) is equal to:
- 15
- 9
- 135
- 10
Answer
(D) 10
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The value of a for which the system of equations x + y + z = 0 ax + (a + 1)y + (a + 2)z = 0 a 3 x + (a + 1) 3…
- If A + B = [ array ll 7 & 4 8 & 9 array ] and A-B= [ array ll 1 & 2 0 & 3 array ] then the value of A is-
- The system of simultaneous equations k x+2 y-z=1 [k-1] y-2 z=z (k+2) z=3 have a unique solution if k equals
- The system of linear equations array l x+ y-z=0 x-y-z=0 x+y- z=0 array has a non-trivial solution for:
- If A and B are square matrices of order n x n such that A^ 2 -B^ 2 =(A-B)(A+B) , then which of the following…
- Given below are two statements. STATEMENT - 1: The inverse of the matrix A= [a_ i j ]_ n n where a _ ij =0, i…
- Given below are two statements. STATEMENT - 1: If a, b, c, d are real numbers and A= [ array ll a & b c & d…
- If A= [ array ccc 1 & -3 & 2 2 & k & 5 4 & 2 & 1 array ] is a singular matrix, then k is equal to
More Matrices and Determinants questions · Browse all practice questions