Find a polynomial of least degree with only real coefficients and having the given zeros.2 + i, 4
A. f(x) = x3 - 8x2 + 21x - 20
B. f(x) = x3 + 8x2 + 21x + 20
C. f(x) = x3 - 4x2 - (3 - 4i) x + 12 + 16i
D. f(x) = x3 + 9x2 + 20x + 20
Answer: A
Mathematics
You might also like to view...
Find the Cartesian coordinates of the given point.
A. (-20
, -20
)
B. (10
, -10
)
C. (-10
, -10
)
D. (10
, -10)
Mathematics
Simplify the complex rational expression.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the function satisfies a Laplace equation.f(x, y, z) = cos(8x) sin(8y) e(
z)
A. Yes B. No
Mathematics
Solve the problem.How many 5-card poker hands consisting of three 10's and two cards that are not 10's are possible in a 
deck?
A. 2652 B. 2256 C. 5304 D. 4512
Mathematics