R.tamil Selvi posted an Question
July 28, 2022 • 15:37 pm 65 points
  • IIT JAM
  • Mathematics (MA)

If a is a real matrix such that a^3+a=0 then trace (a)=

if A is a real matrix such that A^3+A=0 then trace (A)=

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    Navdeep goyal 1

    A³+A=0 so char eq of A is x³+x=0 tr(A) = sum of Eigen value =0

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