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GATE | GATE CS 2018 | Question 63

Consider a matrix P whose only eigenvectors are the multiples of [Tex]\\begin{bmatrix} 1\\\\ 4 \\end{bmatrix}[/Tex]. Consider the following statements. (I) P does not have an inverse (II) P has a repeated eigenvalue (III) P cannot be diagonalized Which one of the following options is correct?

(A)

Only I and III are necessarily true

(B)

Only II is necessarily true

(C)

Only I and II are necessarily true

(D)

Only II and III are necessarily true

Answer

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