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Mathematics, 25.09.2019 21:30 jumpgirll

If a = {a, b, c, d} and b = {b, c, e, f}, a u b is which set?
question 4 options:
{a, b, c, d, e, f}
{b, c}
{a, b, c, d}
{a, b, e, f}

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If a = {a, b, c, d} and b = {b, c, e, f}, a u b is which set?
question 4 options:
{a,...
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