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NotACalculator123
Username
NotACalculator123
Score
15
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Questions
2
Answers
0
3 Questions
1 Answers
+1
23
2
+15
Please help!!!
Let $x$ and $y$ be complex numbers. If $x + y =2$ and $xy = 5$, then what is $x^2 + y^2$?
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NotACalculator123
Jan 26, 2024
0
49
1
+15
Arithmetic Questions
I have three questions:
1. Let $a_1,$ $a_2,$ $a_3,$ $\dots,$ $a_{10},$ $a_{11},$ $a_{12}$ be an arithmetic sequence. If $a_1 + a_3 + a_5 + a_7 + a_9 + a_{11} = -2$ and $a_2 + a_4 + a_6 + a_8 + a_{10} + a_{12} = 1$, then find $a_1$.
2. Find
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NotACalculator123
Jan 12, 2024
0
18
2
+15
Please Help!!!
We introduced i as a square root of -1. Does i itself have any square roots among the complex numbers? If so, name one. If not, answer with "None."
Please Help!
Thanks
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NotACalculator123
Sep 26, 2023
#2
+15
+1
Thank you so much!!!
NotACalculator123
Jan 27, 2024
