Complex Numbers and Quadratic Equations (KVPY (Kishore Vaigyanik Protsahan Yojana) StreamSA (Class 11) Math): Questions 21  27 of 27
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Question number: 21
» Complex Numbers and Quadratic Equations » Relation Between Roots and Coefficients
Question
If where α, β are the roots of the equation then the value of c is –
Choices
Choice (4)  Response  

a.  3 

b.  2 

c.  0 

d.  4 

Question number: 22
» Complex Numbers and Quadratic Equations » Formation of Quadratic Equations With Given Roots
Question
If α, β are the roots of then that equation whose roots are is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 23
» Complex Numbers and Quadratic Equations » Relation Between Roots and Coefficients
Question
If α, β are the roots of, than value of is –
Choices
Choice (4)  Response  

a. 


b. 


c.  1 

d. 


Question number: 24
» Complex Numbers and Quadratic Equations » Relation Between Roots and Coefficients
Question
If and have one common root and then value of is –
Choices
Choice (4)  Response  

a.  2 

b.  3 

c.  1 

d.  All of the above 

Question number: 25
» Complex Numbers and Quadratic Equations » Formation of Quadratic Equations With Given Roots
Question
The equation whose one roots is, is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 26
» Complex Numbers and Quadratic Equations » Formation of Quadratic Equations With Given Roots
Question
Let and , where p and q are positive integers. Suppose and. If the coefficient of the highest degree term of k (x) is 1, the sum of the roots of is –
Choices
Choice (4)  Response  

a.  22 

b.  9 

c.  10 

d.  27 

Question number: 27
» Complex Numbers and Quadratic Equations » Relation Between Roots and Coefficients
Question
Let α be a root of the equation. The value of is equal to
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

