Find the complex conjugate of the complex number. Then find the product of each complex number and its complex conjugate.-6 - 7i

A. -13;  85
B. -6 + 7i;  85
C. 1;  85
D. -6 - 7i;  85


Answer: B

Mathematics

You might also like to view...

Evaluate.-|5| + |6|

A. -1 B. 11 C. 1 D. -11

Mathematics

Test the series for convergence or divergence.

Mathematics

Solve the problem.Find the maximum possible value of f = 6x + 7y subject to the following constraints: 

A. 24 B. 32 C. 13 D. 52

Mathematics

Find the value of the expression.

A.
B. 1 
C. 6 
D.  

Mathematics