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HSN-CN.A.2
HSN-CN.A.2
Use the relation i<sup>2</sup> = -1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.
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HSN-CN.A.1
Know there is a complex number i such that i<sup>2</sup> = -1, and every complex number has the form a + bi with a and b real.
HSN-CN.A.2
Use the relation i<sup>2</sup> = -1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.
HSN-CN.A.3
(+) Find the conjugate of a complex number; use conjugates to find moduli and quotients of complex numbers.