Maths-
General
Easy

Question

If A is symmetric matrix and B is a skew- symmetric matrix, then for n element of N, false statement is -

  1. An is symmetric    
  2. An is symmetric only when n is even    
  3. Bn is skew symmetric when n is odd    
  4. Bn is symmetric when n is even    

The correct answer is: An is symmetric only when n is even

Related Questions to study

General
Maths-

If A – straight A to the power of straight prime = 0, then straight A to the power of straight prime is -

If A – straight A to the power of straight prime = 0, then straight A to the power of straight prime is -

Maths-General
General
Maths-

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 -

Maths-General
General
maths-

If A =open square brackets table row cell cos invisible function application alpha end cell cell sin invisible function application alpha end cell row cell negative sin invisible function application alpha end cell cell cos invisible function application alpha end cell end table close square brackets, then A A to the power of straight prime equals -

If A =open square brackets table row cell cos invisible function application alpha end cell cell sin invisible function application alpha end cell row cell negative sin invisible function application alpha end cell cell cos invisible function application alpha end cell end table close square brackets, then A A to the power of straight prime equals -

maths-General
parallel
General
Maths-

Consider the cubic equation x cubed minus left parenthesis 1 plus cos space theta plus sin space theta right parenthesis x squared plus left parenthesis cos space theta sin space theta plus cos space theta plus sin space theta right parenthesis x minus sin space theta cos space theta equals 0 whose roots are x1, x2, and x3

The value of x subscript 1 superscript 2 plus x subscript 2 superscript 2 plus x subscript 3 superscript 2 equals

In this question, we have to given the cubic equation and its root x1,x2,x3 and we have to find the
x 1 squared plus x 2 squared plus x 3 squared.Use, left parenthesis x 1 plus x 2 plus x 3 right parenthesis squared equals x 1 squared plus x 2 squared plus x 3 squared plus 2 left parenthesis x 1 x 2 plus x 2 x 3 plus x 3 x 1 right parenthesis and sum of roots is fraction numerator negative c over denominator a end fraction and product of roots is b/a.

Consider the cubic equation x cubed minus left parenthesis 1 plus cos space theta plus sin space theta right parenthesis x squared plus left parenthesis cos space theta sin space theta plus cos space theta plus sin space theta right parenthesis x minus sin space theta cos space theta equals 0 whose roots are x1, x2, and x3

The value of x subscript 1 superscript 2 plus x subscript 2 superscript 2 plus x subscript 3 superscript 2 equals

Maths-General

In this question, we have to given the cubic equation and its root x1,x2,x3 and we have to find the
x 1 squared plus x 2 squared plus x 3 squared.Use, left parenthesis x 1 plus x 2 plus x 3 right parenthesis squared equals x 1 squared plus x 2 squared plus x 3 squared plus 2 left parenthesis x 1 x 2 plus x 2 x 3 plus x 3 x 1 right parenthesis and sum of roots is fraction numerator negative c over denominator a end fraction and product of roots is b/a.

General
Maths-

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 -

Maths-General
General
Maths-

If A is a square matrix, then A– straight A to the power of straight prime is -

If A is a square matrix, then A– straight A to the power of straight prime is -

Maths-General
parallel
General
maths-

If A is symmetric matrix and B is a skew- symmetric matrix, then for n element of N, false statement is -

If A is symmetric matrix and B is a skew- symmetric matrix, then for n element of N, false statement is -

maths-General
General
Maths-

If A  negative A to the power of straight prime= 0, then straight A to the power of straight prime is -

If A  negative A to the power of straight prime= 0, then straight A to the power of straight prime is -

Maths-General
General
Maths-

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 -

Maths-General
parallel
General
maths-

If A =open square brackets table row cell cos invisible function application alpha end cell cell sin invisible function application alpha end cell row cell negative sin invisible function application alpha end cell cell cos invisible function application alpha end cell end table close square brackets, then Astraight A to the power of straight prime equals -

If A =open square brackets table row cell cos invisible function application alpha end cell cell sin invisible function application alpha end cell row cell negative sin invisible function application alpha end cell cell cos invisible function application alpha end cell end table close square brackets, then Astraight A to the power of straight prime equals -

maths-General
General
chemistry-

The ratio of the gases obtained on dehydration ofHCOOH and  H subscript 2 C subscript 2 O subscript 4 space b y space c o n c. H subscript 2 S O subscript 4

The ratio of the gases obtained on dehydration ofHCOOH and  H subscript 2 C subscript 2 O subscript 4 space b y space c o n c. H subscript 2 S O subscript 4

chemistry-General
General
maths-

If A = open square brackets table row 3 x row y 0 end table close square brackets and A = AT, then -

If A = open square brackets table row 3 x row y 0 end table close square brackets and A = AT, then -

maths-General
parallel
General
Maths-

For suitable matrices A, B; the false statement is-

For suitable matrices A, B; the false statement is-

Maths-General
General
maths-

If A =open square brackets table row a b row b a end table close square brackets, then |A +AT| equals -

If A =open square brackets table row a b row b a end table close square brackets, then |A +AT| equals -

maths-General
General
Maths-

If A= open square brackets table row cell cos invisible function application theta end cell cell negative sin invisible function application theta end cell row cell sin invisible function application theta end cell cell cos invisible function application theta end cell end table close square brackets, then AAT equals-

If A= open square brackets table row cell cos invisible function application theta end cell cell negative sin invisible function application theta end cell row cell sin invisible function application theta end cell cell cos invisible function application theta end cell end table close square brackets, then AAT equals-

Maths-General
parallel

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.