Solve the equation in the complex number system.x4 - 4x2 - 5 = 0
A. {
, 5}
B. {
i, i}
C. {- 
, 
, i, -i}
D. {-
i, -i}
Answer: C
Mathematics
You might also like to view...
Find the most general antiderivative.
dx
A. 6x4 + 12x2 + 4x + C
B. 
x4 + 3x2 + 4x + C
C. 2x4 + 6x2 + 4x + C
D. 6x2 + 6 + C
Mathematics
Decide whether the statement is true or false.-5 is a solution of 5x - 6 = -31.
A. True B. False
Mathematics
When John was 20 years old, he opened an individual retirement account by investing $1,300 at 8% interest, compounded quarterly. How much will his investment be worth when he is 42 years old? ?
A. $7,423.06 B. $7,426.46 C. $8,020.15 D. $7,428.06 E. $7,426.06
Mathematics
Verify the identity.(tan x + 1)2 + (tan x - 1)2 = 2 sec2 x
What will be an ideal response?
Mathematics