Question
If A =
, then (adj A)23 =
- 13
- – 13
- 5
- – 5
The correct answer is: 13
we are given with the matrix A and we need to find the adjacent of matrix A
![left parenthesis a d j. A right parenthesis subscript 23 space end subscript equals space C subscript 32
space c o f a c t o r space o f space a subscript 32 space end subscript
C subscript 32 equals left parenthesis negative 1 right parenthesis to the power of 3 plus 2 end exponent left parenthesis negative 1 minus 12 right parenthesis
space space space space space space space space equals 13](data:image/png;base64,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)
Therfore we get the answer as 13
Related Questions to study
If A =
, then the value of adj (adj A) is-
If A =
, then the value of adj (adj A) is-
The number of values of in [0, 2
] for which at least two roots are equal
The number of values of in [0, 2
] for which at least two roots are equal
Let A be a square matrix. Then which of the following is not a symmetric matrix -
Let A be a square matrix. Then which of the following is not a symmetric matrix -
If A is a square matrix, then A–
is -
If A is a square matrix, then A–
is -
If A is symmetric matrix and B is a skew- symmetric matrix, then for n
N, false statement is -
If A is symmetric matrix and B is a skew- symmetric matrix, then for n
N, false statement is -
If A –
= 0, then
is -
If A –
= 0, then
is -
If A is a matrix of order 3 × 4, then both ABT and BTA are defined if order of B is -
If A is a matrix of order 3 × 4, then both ABT and BTA are defined if order of B is -
If A =
, then
equals -
If A =
, then
equals -
Consider the cubic equation whose roots are x1, x2, and x3
The value of equals
In this question, we have to given the cubic equation and its root x1,x2,x3 and we have to find the.Use,
and sum of roots is
and product of roots is b/a.
Consider the cubic equation whose roots are x1, x2, and x3
The value of equals
In this question, we have to given the cubic equation and its root x1,x2,x3 and we have to find the.Use,
and sum of roots is
and product of roots is b/a.