Matrix.. Class 12 Notes | EduRev

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Class 12 : Matrix.. Class 12 Notes | EduRev

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If matrix A =   and A2 + aA + b = O, then the values of a and b are:
  • a)
    a = – 6, b = 2
  • b)
    a = 6, b = – 2
  • c)
    a = 6, b = 2
  • d)
    a = – 6, b = – 2
Correct answer is 'A'. Can you explain this answer?

Ref: https://edurev.in/question/459966/If-matrix-A-and-A2-aA-b-O-then-the-values-of-a-an


Imagehere frst we hv to calculate A^2...then add Aa and b to it...then equal to zero...u ll get the ans..
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