Perform the desired operation. Write the answer in the form a + bi.(6 + 7i)(9 + 7i)
A. 5 - 105i
B. 103 + 21i
C. 5 + 105i
D. 49i2 + 105i + 54
Answer: C
Mathematics
You might also like to view...
Evaluate the given function with the following information: sin ? = 
(? in first quadrant) and cos ? = - 
(? in second quadrant).cos(? - ?)
A. 
B. - 
C. - 
D. 
Mathematics
Consider the sample space of 36 equally likely outcomes to the experiment in which a pair of dice is rolled. Determine whether the events A and B are mutually exclusive.A: One of the numbers is four.B: The sum is greater than 11.
A. Yes B. No
Mathematics
Add and, if possible, simplify.
+ 3
A. 
B. 
C. 
D. 
Mathematics
Consider the system 
(a) Rewrite it in the form AX = B, where A, B, and X are appropriate matrices.(b) Find the inverse of A.(c) Solve the system by computing A-1B.
What will be an ideal response?
Mathematics