Question

1 / 3 dau coroana
30 p
repede
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Answer 1

Răspuns:

1) E={7, 2,5,0,6} intersectat cu F={ 6,0,2,5,7}= multimea vidă

2) Submultimile sunt:{a} si {b}

3) A= {2 la x < 4³ € N}

A= 2 la x <64 adica A={2,3,4,5,6,7}

B={ 49 la y < egal 7⁸}

adica (7²) la x < egal decat x

B={ (7²)² ; (7²)³; (7²)⁴}

B nu este inclus in A