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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
Let $A = \begin{pmatrix} 1 & 2 \\ -2 & -5 \end{pmatrix}$.
Let $\alpha, \beta \in \mathbb{R}$ be such that $\alpha A^2 + \beta A = 2I$.
Then $\alpha + \beta$ is equal to :
Solution
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