Other Math Archive: Questions from July 28, 2023
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1. A = (1,1,0), B = (0,1,1), C = 1,0,1), D = (-1,7,2)
satisfaciendo D = xA + yB + zC.
Encuentra los reales x, y, z.
2. A = (3,4), B = (2, -1). Cuando A + xB y AB son
perpendiculares entre sí, encuent
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Sean π, σ, τ ∈ S9 π = (1)(2, 3, 4, 5)(6, 7, 8, 9) σ = (1, 3, 5,
7, 9, 2, 4) , 6, 8)
Calcula lo siguiente:
a. pag ◦ pag
b. s ◦ p
C. (π ◦ σ)^-1
d. (σ ◦ π)^1
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