BITSAT Mathematics: Questions 46  52 of 244
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Question number: 46
» Matrices and Determinants » Solution of Simultaneous Linear Equations in Two or Three Variables
Question
The system of equation of equations in unknowns has a unique solution if
Choices
Choice (4)  Response  

a.  Det A ≠ 0, AdjAB = 0 

b.  Det A = 0, AdjAB = 0 

c.  Det A = 0, AdjAB ≠ 0 

d.  Det A ≠ 0 

Question number: 47
» 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: 48
» Permutations and Combinations » Meaning of P (N,R) and C (N,R)
Question
If , then value of is –
Choices
Choice (4)  Response  

a.  7 

b.  4 

c.  5 

d.  6 

Question number: 49
» Limits & Continuity » Limits
Question
Choices
Choice (4)  Response  

a.  0 

b. 


c.  2 

d. 


Question number: 50
» Basic Mathematics » Algebra » Simplifying Expressions
Question
If , are the roots of the equation , lies between and , if –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 51
» 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: 52
» Differential Calculus » Domain and Range of Real Valued Function
Question
has its extreme value of . Then –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 
