TS EAMCET 18-July-2022 Shift 1 Solved Paper

Section: Mathematics

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Question : 5 of 160

Marks: +1, -0

Let α,β,γ be real numbers. If A=(

7	3	α
β	1	−11
−5	γ	19

) is a 3×3 matrix satisfying A(

5

−13

11

)=(

−290

−119

210

), then (adjA)−1+adjA−1=

A
−A
2A
−2A

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