Maths-
General
Easy
Question
= A & | A3 | = 125, then
is -
- 0
- ± 2
- ± 3
- ± 5
The correct answer is: ± 3
Related Questions to study
maths-
If A =
, B =
and A2 = B, then
If A =
, B =
and A2 = B, then
maths-General
Maths-
Let A be a square matrix all of whose entries are integers. Then which one of the following is true ?
Let A be a square matrix all of whose entries are integers. Then which one of the following is true ?
Maths-General
maths-
Let A =
If |A2| = 25, then |
| equals
Let A =
If |A2| = 25, then |
| equals
maths-General
Maths-
Let A =
and B =
, a, b
N. Then
Let A =
and B =
, a, b
N. Then
Maths-General
Maths-
If A and B are square matrices of size n × n such that A2 – B2 = (A – B) (A + B), then which of the following will be always true –
If A and B are square matrices of size n × n such that A2 – B2 = (A – B) (A + B), then which of the following will be always true –
Maths-General
Maths-
If A =
and I =
, then which one of the following holds for all n
1, by the principle of mathematical induction -
If A =
and I =
, then which one of the following holds for all n
1, by the principle of mathematical induction -
Maths-General
Maths-
If A2 – A + I = 0, then the inverse of A is
If A2 – A + I = 0, then the inverse of A is
Maths-General
Maths-
Let A =
and (10) B =
. If B is the inverse of matrix A, then
is
Let A =
and (10) B =
. If B is the inverse of matrix A, then
is
Maths-General
Maths-
Let A =
. The only correct statement about the matrix A is
Let A =
. The only correct statement about the matrix A is
Maths-General
chemistry-
Bleaching powder has the molecular formula:
Bleaching powder has the molecular formula:
chemistry-General
Maths-
If A =
and A2 =
, then
If A =
and A2 =
, then
Maths-General
maths-
If A=
, B =
then AB =
If A=
, B =
then AB =
maths-General
maths-
If A =
, B =
and C =
, then A2 = B2 =C2 =
If A =
, B =
and C =
, then A2 = B2 =C2 =
maths-General
maths-
If Ai =
and if |a|<1, |b|<1, then
det (Ai) is equal to-
If Ai =
and if |a|<1, |b|<1, then
det (Ai) is equal to-
maths-General
maths-
If matrix A =
and its inverse is denoted by
, then the value of a23 is equal to-
If matrix A =
and its inverse is denoted by
, then the value of a23 is equal to-
maths-General