Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
The number of dissimilar terms in the expansion of
(
x
+
1
x
+
x
2
+
1
x
2
)
15
\left(x + \frac{1}{x} + x^2 + \frac{1}{x^2}\right)^{15}
(
x
+
x
1
+
x
2
+
x
2
1
)
15
are a. 61 b. 121 c. 255 d. 16
Browse the problem library