Made Easy Engineering Maths book

Question

The ans given is b, but i am not able to understande why. According to me the largest eigen value is 2, and therefore none of  the option matches..!

Comments

Row transformation in solving equations is like adding or subtracting equations..which will not change values of variables..

Ex:- x+y=1 and x-y=3

We are allowed to add/subtract equations (row transformations) for finding solution..

Column transformations means we are changing the coefficients..which will change the equations..

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got it

thank u :)

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Plz tell the answer of the question