Which of the followings is not a subspace of the vector space V? a) V = Mxn(R),W = {A € VIAT = A} b) V = c(-0,00),w (f(x) E VIf(x) > 0}. c) v = R", W = {veV|Av = Av,where A eV = Maxn(R) and A E R}. d) None of these.

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A: That's easy. Have a good day!!!

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A: Solution: Here the sequence is xnt=4cosn3t5+cosnt and a=-5π,  b=-4π

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