Answer:
(x + n)^2
Step-by-step explanation:
Okay! Let's get this going!
(x + n ) ^2 is correct because first we get
x^2 and n^2. Yet we need to add one more part to this to make it true which is x * n. We multiply this by two since according to the formula (a + b)^2 = a^2 + 2ab + b^2
:)
Answer:
-1
Step-by-step explanation:
If i = √-1, then i^2 = -1.
The last one is the correct one.
Answer: check out MATHPORTAL.com
Step-by-step explanation:
