Loading [MathJax]/jax/output/HTML-CSS/jax.js
Home
Book
Learn
Library
Practice
Contact
Log In
ComplexNumber
AMC10/12
2009
Problem - 708
For what value of
n
is
i
+
2
i
2
+
3
i
3
+
⋯
+
n
i
n
=
48
+
49
i
? Note: here
i
=
√
−
1
.
report an error