Compute the adjoint of the matrix A= [ array lll 1 & 4 & 5 3 & 2 & 6 0 & 1 & 0 array ]

Mathematics · JEE Main · NTA Exams — Matrices and Determinants

1. \(\left[\begin{array}{rrr} 6 & 5 & 14 \\ 0 & 0 & -9 \\ 3 & 1 & -10 \end{array}\right]\)
2. \(\left[\begin{array}{ccc} -6 & 5 & 14 \\ 0 & 0 & 9 \\ -3 & -1 & -10 \end{array}\right]\)
3. \(\left[\begin{array}{rrr} -6 & 5 & 14 \\ 0 & 0 & 9 \\ 3 & -1 & -10 \end{array}\right]\)
4. None of these

Answer

(C) [ array rrr -6 & 5 & 14 0 & 0 & 9 3 & -1 & -10 array ]

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• If . array ccc a-b-c & 2 a & 2 a 2 b & b-c-a & 2 b 2 c & 2 c & c-a-b array =(a+b+c)(x+a+b+c)^ 2 , x 0 and…
• If A= [ array cc 2 & -1 -7 & 4 array ] and B= [ array ll 4 & 1 7 & 2 array ] then B T A T is equal to –
• Let A= ( array ccr 1 & -1 & 1 2 & 1 & -3 1 & 1 & 1 array ) and 108= ( array lcc 4 & 2 & 2 -5 & 0 & x 1 & -2 &…
• The following system of linear equations 7x + 6y - 2z = 0 3x + 4y + 2z = 0 x - 2y - 6z = 0 has
• If A^ k =0 (null matrix) for some positive integral value of k, then I+ A + A ^ 2 + + A ^ k -1 is equal to
• STATEMENT - 1: Every two-rowed real orthogonal matrix is of any one of the forms ( array cc & - & array ) or…
• If A = [ array cc -1 & 2 3 & -4 array ] then element a 21 of A 2 is -
• If A = [ array cc 2 & 3 5 & -2 array ], then 19 A –1 is equal to

More Matrices and Determinants questions · Browse all practice questions