show-that-A-B-C-A-B-C-

Question Number 167380 by MathsFan last updated on 14/Mar/22

$$\:\boldsymbol{{show}}\:\boldsymbol{{that}} \\ $$$$\:\boldsymbol{{A}}'\:\cup\:\boldsymbol{{B}}'\:\cup\:\boldsymbol{{C}}'\:=\left(\boldsymbol{{A}}\cup\boldsymbol{{B}}\cup\boldsymbol{{C}}\right)' \\ $$

Commented by cortano1 last updated on 15/Mar/22

$$\mathrm{wrong} \\ $$

Commented by Rasheed.Sindhi last updated on 15/Mar/22

$$\:\boldsymbol{{A}}'\:\cup\:\boldsymbol{{B}}'\:\cup\:\boldsymbol{{C}}'\:=\left(\boldsymbol{{A}}\cap\boldsymbol{{B}}\cap\boldsymbol{{C}}\right)' \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\mathrm{or} \\ $$$$\:\boldsymbol{{A}}'\:\cap\:\boldsymbol{{B}}'\:\cap\:\boldsymbol{{C}}'\:=\left(\boldsymbol{{A}}\cup\boldsymbol{{B}}\cup\boldsymbol{{C}}\right)' \\ $$

Commented by MathsFan last updated on 15/Mar/22

$$\:{oh}\:{i}\:{see} \\ $$$${thank}\:{you}\:{sir} \\ $$

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