Final answer:
The expression (4 - √-5)2 simplifies to the real number 11 after squaring both the real and the imaginary parts.
Step-by-step explanation:
The question involves simplifying an expression with a complex number and appears to contain typos. However, I will address the part of the question that asks to simplify (4 - √-5)2. To simplify this expression, we need to square both terms in the parentheses.
The step-by-step solution is as follows:
- Square the real part: 42 = 16.
- Square the imaginary part: (√-5)2 = -5. (Remember that √-1 is defined as the imaginary unit i, so √-5 = √i * √5).
- Combine the results: 16 + (-5) = 11.
- Since there is no imaginary part left after squaring √-5, the final answer is just a real number.
The simplified form of (4 - √-5)2 is therefore 11.