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  4. Let A1, A2, A3, . ., A7 be skew symmetric matrices of same order then 1 ⋅(A1)1+3 ⋅(A2)3+5(A3)5+ ldots+13(A7)13 is

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Q. Let $A_1, A_2, A_3, . ., A_7$ be skew symmetric matrices of same order then $1 \cdot\left(A_1\right)^1+3 \cdot\left(A_2\right)^3+5\left(A_3\right)^5+\ldots+13\left(A_7\right)^{13}$ is

Matrices

Solution:

Correct answer is (b) skew symmetric