Consider the following three transformations from R³ to R³: R = 6)-())-(-) 0-0 x1 x1 2x3 T x2 = 2x1 2x2-5x3 -x12x2+8x3. x3 x1 x2 = x1+5 x2 x3 x1x3/ Which of these linear transformations is/are invertible? T " S R None of these

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Q: Write down a n × n matrix A such that Cond(A) =1, but determinant(A) → 0 as n → ∞.

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