Help with this quantum circuit textbook problem about controlled gates

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kellys
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Summary:: My skills are very very basic and I'm more a networking major but i had to take a quantum mechanics class, i have trouble with this xcercise from textbook quantum mechanics a general introduction

[Mentor Note -- Thread moved from the Technical forums so no Homework Template is shown]

i am still struggling with the concept of controlled gates
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kellys said:
Summary:: My skills are very very basic and I'm more a networking major but i had to take a quantum mechanics class, i have trouble with this xcercise from textbook quantum mechanics a general introduction

[Mentor Note -- Thread moved from the Technical forums so no Homework Template is shown]

i am still struggling with the concept of controlled gates
View attachment 262160
Welcome to the PF. :smile:

Per the PF Homework rules, we can only help you if you at least try to start working on the problem. Can you show us similar problems that your textbook explains?