Mathematics, 23.08.2019 21:20 polloAngelo7671

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show that {1,2} ⊆ {x|x^4 - x^3 - x^2 - 5x + 6 = 0}

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Me with this! show that {1,2} ⊆ {x|x^4 - x^3 - x^2 - 5x + 6 = 0}

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Another question on Mathematics

Me with this!
show that {1,2} ⊆ {x|x^4 - x^3 - x^2 - 5x + 6 = 0}