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MathematicsMatrixMiscellaneous/MixedMedium2 minPYQ_2014

MathematicsMediumsingle choice

If $[α γ β - α]$ is square root of identity matrix of order 2 then -

Answer:

Solution:

$[α γ β - α] = I_{2}$ ; $[α γ β - α] [α γ β - α] = [1001]$ $\Rightarrow α^{2} + β γ = 1$

Stream:BITSATSubject:MathematicsTopic:MatrixSubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: PYQ_2014

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