9. Construct a quantum circuit to add two two-bit numbers x and y modulo 4. That...

 

 

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9. Construct a quantum circuit to add two two-bit numbers x and y modulo 4. That is, the circuit should do |x,y)|x,x+y mod 4). 1 9. Construct a quantum circuit to add two two-bit numbers x and y modulo 4. That is, the circuit should do |x,y)|x,x+y mod 4). 1