Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Complete factorisation of
x
4
−
16
x^{4}-16
x
4
−
16
is a)
(
x
2
+
4
)
(
x
2
−
4
)
(x^{2}+4)(x^{2}-4)
(
x
2
+
4
)
(
x
2
−
4
)
b)
(
x
+
2
)
2
(
x
−
2
)
2
(x+2)^{2}(x-2)^{2}
(
x
+
2
)
2
(
x
−
2
)
2
c)
(
x
2
+
4
)
(
x
+
2
)
(
x
−
2
)
(x^{2}+4)(x+2)(x-2)
(
x
2
+
4
)
(
x
+
2
)
(
x
−
2
)
d)
(
x
2
+
4
)
(
x
−
2
)
2
(x^{2}+4)(x-2)^{2}
(
x
2
+
4
)
(
x
−
2
)
2
Browse the problem library