Question: Can I get help with these? Using Sigma notation and the rules discussed in class, compute the sum of all the integers between 21 and

Can I get help with these? Can I get help with these? Using Sigma notation and the rules

Using Sigma notation and the rules discussed in class, compute the sum of all the integers between 21 and 126 that are not divisible by 4. 1. [6 marks] 2. Using only set identities (ie, without Venn diagrams or membership tables), prove or disprove the equivalence of (A C) u (C - A) and (AUC)u(Cn(An (B u C))). [6 marks]

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