Complex Numbers and Quadratic Equations (BITSAT Mathematics): Questions 9  15 of 17
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Question number: 9
» Complex Numbers and Quadratic Equations » Representation of Complex Numbers in Form a Plus Ib
Question
, if and only if,
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 10
» Complex Numbers and Quadratic Equations » Algebra of Complex Numbers
Question
, if and only if –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 11
» Complex Numbers and Quadratic Equations » Algebra of Complex Numbers
Question
If and , then –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 12
» Complex Numbers and Quadratic Equations » Quadratic Equations in Real and Complex Number System
Question
If are the cube roots of unity, then is equal to
Choices
Choice (4)  Response  

a. 


b. 


c.  1 

d.  All of the above 

Question number: 13
» Complex Numbers and Quadratic Equations » Argand Diagram
Question
The locus of point satisfying is –
Choices
Choice (4)  Response  

a.  Straight line 

b.  A circle 

c.  An ellipse 

d.  A hyperbola 

Question number: 14
» Complex Numbers and Quadratic Equations » Triangle Inequality
Question
If area of triangle on plane turned by number , and is , then is –
Choices
Choice (4)  Response  

a.  6 

b.  3 

c.  4 

d.  2 

Question number: 15
» Complex Numbers and Quadratic Equations » Triangle Inequality
Question
If the area of the triangle formed by points , and is 50 square units, thenz is –
Choices
Choice (4)  Response  

a.  5 

b.  15 

c.  10 

d.  Question does not provide sufficient data or is vague 
