# Complex Numbers and Quadratic Equations (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Math): Questions 13 - 20 of 27

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## Question number: 13

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

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

5

b.

6

c.

-5

d.

-6

## Question number: 14

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

Appeared in Year: 2014

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

126

b.

-51

c.

-126

d.

51

## Question number: 15

» Complex Numbers and Quadratic Equations » Quadratic Equations in Real and Complex Number System

Appeared in Year: 2012

MCQ▾

### Question

The square-root of is

### Choices

Choice (4) Response

a.

3

b.

4

c.

2

d.

1

## Question number: 16

» Complex Numbers and Quadratic Equations » Quadratic Equations in Real and Complex Number System

Appeared in Year: 2013

MCQ▾

### Question

If a, b are natural numbers such that, then the minimum possible value of ab is.

### Choices

Choice (4) Response

a.

0

b.

2

c.

1

d.

3

## Question number: 17

» Complex Numbers and Quadratic Equations » Quadratic Equations in Real and Complex Number System

MCQ▾

### Question

If x, y are natural numbers such that, then the maximum possible value of xy is,

### Choices

Choice (4) Response

a.

5200

b.

41350

c.

40596

d.

51236

## Question number: 18

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

MCQ▾

### Question

If the roots of the 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: 19

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

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

–126

b.

-240

c.

48

d.

– 48

## Question number: 20

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

MCQ▾

### Question

If the roots of the equation are equal then,

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page