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MCQ Tutorial - Mathematics->Algebra

                        
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6.) What is the product of complex numbers (4,3) and (5,-6)?
Options are:
A.) (18,3)
B.) (18,-3)
C.) (38,-9)
D.) (38,9)
                        
7.) What is the division of Complex number (2,6)(4,2) = ?
Options are:
A.) (1,1)
B.) (2,1)
C.) (1,2)
D.) (2,2)
8.) What is the value of (-i)-19?
Options are:
A.) -i
B.) 1
C.) -1
D.) i
                        
9.) What is the multiplicative identity of a complex number?
Options are:
A.) (0,0)
B.) (1,0)
C.) (1,1)
D.) (0,1)
10.) What is the value of √-9 * √-9?
Options are:
A.) 9i
B.) -9i
C.) -9
D.) 9
                        
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