- #1

Pushoam

- 950

- 47

## Homework Statement

## Homework Equations

## The Attempt at a Solution

I solved it by calculating the eigen values by ##| A- \lambda |= 0 ##.

This gave me ## \lambda _1 = 6.42, \lambda _2 = 0.387, \lambda_3 = -0.806##.

So, the required answer is 42.02 , option (b).

Is this correct?

The matrix is symmetric. Is there any other easier wat to find the answer?