Complex Numbers and Quadratic Equations (BITSAT Mathematics): Questions 1  9 of 12
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Question number: 1
» Complex Numbers and Quadratic Equations » Algebra of Complex Numbers
Question
can be expressed as –
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2
» Complex Numbers and Quadratic Equations » Argand Diagram
Question
If , then points on lie on a –
Choices
Choice (4)  Response  

a.  Parabola  
b.  Circle  
c.  Line  
d.  All of the above 
Question number: 3
» Complex Numbers and Quadratic Equations » Algebra of Complex Numbers
Question
The maximum value of , when is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 4
» Complex Numbers and Quadratic Equations » Argand Diagram
Question
If is a complex number, then represents –
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  A circle  
d.  A line parallel to 
Question number: 5
» Complex Numbers and Quadratic Equations » Algebra of Complex Numbers
Question
The curve represented by , where is a non – zero real number, is a –
Choices
Choice (4)  Response  

a.  Ellipse  
b.  Parabola  
c.  Circle  
d.  Hyperbola 
Question number: 6
» Complex Numbers and Quadratic Equations » Algebra of Complex Numbers
Question
If , then is equal to,
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.   1  
d.  1 
Question number: 7
» Complex Numbers and Quadratic Equations » Argand Diagram
Question
If lies on , then lies on –
Choices
Choice (4)  Response  

a.  Parabola  
b.  Ellipse  
c.  Line  
d.  Circle 
Question number: 8
» Complex Numbers and Quadratic Equations » Algebra of Complex Numbers
Question
The smallest integer for which is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

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 