Maths-

General

Easy

Question

# Let A = & I = and A–1 = [A^{2 }+ cA + dI], find ordered pair (c, d) ?]

- (6, 11)
- (–6, –11)
- (–6 , 11)
- (6, –11)

## The correct answer is: (–6 , 11)

### Related Questions to study

maths-

### = A & | A^{3} | = 125, then is -

### = A & | A^{3} | = 125, then is -

maths-General

maths-

### If A = , B = and A^{2} = B, then

### If A = , B = and A^{2} = 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 A^{2} – B^{2} = (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 A^{2} – B^{2} = (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 A^{2} – A + I = 0, then the inverse of A is

### If A^{2} – 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 A^{2} = , then

### If A = and A^{2} = , then

Maths-General

maths-

### If A=, B = then AB =

### If A=, B = then AB =

maths-General

maths-

### If A =, B = and C =, then A^{2} = B^{2 }=C^{2} =

### If A =, B = and C =, then A^{2} = B^{2 }=C^{2} =

maths-General

maths-

### If Ai = and if |a|<1, |b|<1, thendet (A_{i}) is equal to-

### If Ai = and if |a|<1, |b|<1, thendet (A_{i}) is equal to-

maths-General