Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Let
∣
x
2
x
x
2
x
6
x
x
6
∣
=
A
x
4
+
B
x
3
+
C
x
2
+
D
x
+
E
\begin{vmatrix} x & 2 & x \\ x^2 & x & 6 \\ x & x & 6 \end{vmatrix} = Ax^4 + Bx^3 + Cx^2 + Dx + E
x
x
2
x
2
x
x
x
6
6
=
A
x
4
+
B
x
3
+
C
x
2
+
D
x
+
E
…
Mathematics
Problem
Let
∣
x
2
x
x
2
x
6
x
x
6
∣
=
A
x
4
+
B
x
3
+
C
x
2
+
D
x
+
E
\begin{vmatrix} x & 2 & x \\ x^2 & x & 6 \\ x & x & 6 \end{vmatrix} = Ax^4 + Bx^3 + Cx^2 + Dx + E
x
x
2
x
2
x
x
x
6
6
=
A
x
4
+
B
x
3
+
C
x
2
+
D
x
+
E
, the value of
5
A
+
4
B
+
3
C
+
2
D
+
E
5A + 4B + 3C + 2D + E
5
A
+
4
B
+
3
C
+
2
D
+
E
is equal to a. -16 b. -11 c. 0 d. 16
Browse the problem library