MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Finding Inverse Using Elementary Transformations

Find the numb...

Question

Find the number of all possible symmetric matrices of order 3*3 with each entry 1 or2 and whose sum of diagonal elements is equal to 5 is

Open in App

Solution

Suggest Corrections

thumbs-up

3

Similar questions

A

be a symmetric matrix of order

2

with integer entries. If the sum of the diagonal elements of

A^{2}

1,

then the possible number of such matrices is :

Q. Find the number of all possible matrices of order

3 \times 3

with each entry

0

1

Q. Find the number of all possible matrices of order

3 \times 3

with each entry

0

1

A

be a symmetric matrix of order

2

with integer entries. If the sum of the diagonal elements of

A^{2}

1,

then the possible number of such matrices is :

The number of all possible matrices of order $3 \times 3$ with each entry 0 to 1 is
(a)27
(b)18
(c)81
(d)512

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Finding Inverse Using Elementary Transformations

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Finding Inverse Using Elementary Transformations

Standard XII Mathematics

Join BYJU'S Learning Program

CrossIcon