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If A1, A2, , A(2n-1) are n skew-symmet...

If `A_1, A_2, , A_(2n-1)` are n skew-symmetric matrices of same order, then `B=sum_(r=1)^n(2r-1)(A^(2r-1))^(2r-1)` will be (a) symmetric (b) skew-symmetric (c) neither symmetric nor skew-symmetric (d)data not adequate

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