HELP!!! Mathematics Questions

View attachment 22499

Can someone helps me to solve these questions?
First make sure that you know the definitions and the mathematical interpretations of terms like:
  • domain of discourse​
  • truth value​
  • complex number, etc.​
Please show us what you have tried and exactly where you are stuck.

Please follow the rules of posting in this forum, as enunciated at:


Please share your work/thoughts about this problem.
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