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HSN‑CN.A.1
Know there is a complex number $i$ such that $i^2 = -1$, and every complex number has the form $a...
HSN‑CN.A.2
Use the relation $i^2 = -1$ and the commutative, associative, and distributive properties to add,...
HSN‑CN.A.3
$(+)$ Find the conjugate of a complex number; use conjugates to find moduli and quotients of...