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Explore the Back-StoryThe Eigen values of a matrix are the roots of its characteristic equation.

The largest eigen value of the matrix

is

IIT JAM 2016 Problem Number 13

Finding the largest eigen value of a matrix

6 out of 10

Higher Algebra : S K Mapa

In order to find the largest eigen value of the given matrix we have to find all the eigen values of the given matrix, then we can find the largest among them. Now it is very easy to find the eigen values. Give it a try!!!

Now the process of rank starts with finding the characteristics polynomial of the given matrix, i.e., . We have to find the value of this which is the eigen value. Now it is very easy to find the determinant of . Try to cook this up.

So, now let's do some calculation.

Now we are half way done just our calculation part remains.

Therefore

So from here we can clearly see

is the largest among all the eigen values.

- https://www.cheenta.com/finding-tangent-plane-iit-jam-2018-problem-5/
- https://www.cheenta.com/convergence-iit-jam-2018-problem-12/

The Eigen values of a matrix are the roots of its characteristic equation.

The largest eigen value of the matrix

is

IIT JAM 2016 Problem Number 13

Finding the largest eigen value of a matrix

6 out of 10

Higher Algebra : S K Mapa

In order to find the largest eigen value of the given matrix we have to find all the eigen values of the given matrix, then we can find the largest among them. Now it is very easy to find the eigen values. Give it a try!!!

Now the process of rank starts with finding the characteristics polynomial of the given matrix, i.e., . We have to find the value of this which is the eigen value. Now it is very easy to find the determinant of . Try to cook this up.

So, now let's do some calculation.

Now we are half way done just our calculation part remains.

Therefore

So from here we can clearly see

is the largest among all the eigen values.

- https://www.cheenta.com/finding-tangent-plane-iit-jam-2018-problem-5/
- https://www.cheenta.com/convergence-iit-jam-2018-problem-12/

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