Complex Numbers and Quadratic Equations-Relation Between Roots and Coefficients (KVPY Stream-SA (Class 11) Math): Questions 1 - 7 of 10

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Question number: 1

» Complex Numbers and Quadratic Equations » Relation Between Roots and Coefficients

Appeared in Year: 2012

MCQ▾

Question

Let Equation be a quadratic polynomial with Equation and Equation . Then the coefficient of Equation in Equation is

Choices

Choice (4) Response

a.

1

b.

4

c.

2

d.

3

Question number: 2

» Complex Numbers and Quadratic Equations » Relation Between Roots and Coefficients

MCQ▾

Question

Let p be a root of the equation Equation . The value of Equation is equal to

Choices

Choice (4) Response

a.

5

b.

6

c.

-5

d.

-6

Question number: 3

» Complex Numbers and Quadratic Equations » Relation Between Roots and Coefficients

Appeared in Year: 2014

MCQ▾

Question

Let r be a root of the equation Equation . The value of Equation is equal to

Choices

Choice (4) Response

a.

126

b.

-51

c.

-126

d.

51

Question number: 4

» Complex Numbers and Quadratic Equations » Relation Between Roots and Coefficients

MCQ▾

Question

If the roots of the equation Equation are reciprocals to each other, then value of q is –

Choices

Choice (4) Response

a.

2

b.

4

c.

9

d.

3

Question number: 5

» Complex Numbers and Quadratic Equations » Relation Between Roots and Coefficients

MCQ▾

Question

Let α be a root of the equation Equation . The value of Equation is equal to-

Choices

Choice (4) Response

a.

–126

b.

-240

c.

48

d.

– 48

Question number: 6

» Complex Numbers and Quadratic Equations » Relation Between Roots and Coefficients

MCQ▾

Question

If the roots of the equation Equation are equal then,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 7

» Complex Numbers and Quadratic Equations » Relation Between Roots and Coefficients

MCQ▾

Question

If Equation where α, β are the roots of the equation Equation then the value of c is –

Choices

Choice (4) Response

a.

3

b.

2

c.

0

d.

4

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