(a+bi)(a-bi) = a2+ b2 (The ab terms cancel and -i2b2 is +b2)
In our case 62+ 22 = 40
Khadija N.
asked 05/06/22(a+bi)(a-bi) = a2+ b2 (The ab terms cancel and -i2b2 is +b2)
In our case 62+ 22 = 40
Richard C. answered 05/06/22
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