Perform the indicated operation. Write the result in the form a + bi.(5 - 4i)(8 - 7i)
A. 12 + 67i
B. 12 - 67i
C. -3 + 68i
D. 68 + 3i
Answer: B
Mathematics
You might also like to view...
Find the second derivative of the function.r = 
(9 - ?)
A. 
= 
- ?
B. 
= 
C. 
= - 
- 1
D. 
= - 
- 1
Mathematics
Find the sum.-33 + 49
A. -82 B. 16 C. -16 D. 82
Mathematics
Solve the equation and express the solution in exact form.ln(40x - 4) = ln 6
A. 
B. 
C. 
D. 
Mathematics
Find the square root.
A. 6 B. 8 C. 18 D. 12
Mathematics