Find the Product and Write the Result in Standard Form $( 5 + i ) ^ { 2 } - ( 6 - i ) ^ { 2 }$

question 267

Multiple Choice

Find the product and write the result in standard form.
- $( 5 + i ) ^ { 2 } - ( 6 - i ) ^ { 2 }$

• A) \(- 11 + 22 i\)
• B) \(11 + 22 \mathrm { i }\)
• C) \(- 33\)
• D) \(- 11 - 22 \mathrm { i }\) Complex numbers are used in electronics to describe the current in an electric circuit. Ohm's law relates the current in a circuit, I, in amperes, the voltage of the circuit, E, in volts, and the resistance of the circuit, R, in ohms, by the
• Formula E = IR.

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