Complex Numbers and Quadratic Equations (BITSAT Mathematics): Questions 9 - 15 of 17

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Question number: 9

» Complex Numbers and Quadratic Equations » Representation of Complex Numbers in Form a Plus Ib

MCQ▾

Question

Equation , if and only if,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Question does not provide sufficient data or is vague

Question number: 10

» Complex Numbers and Quadratic Equations » Algebra of Complex Numbers

MCQ▾

Question

Equation , if and only if –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Question does not provide sufficient data or is vague

Question number: 11

» Complex Numbers and Quadratic Equations » Algebra of Complex Numbers

MCQ▾

Question

If Equation and Equation , then –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 12

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

MCQ▾

Question

If Equation are the cube roots of unity, then Equation is equal to

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

1

d.

All of the above

Question number: 13

» Complex Numbers and Quadratic Equations » Argand Diagram

MCQ▾

Question

The locus of point Equation satisfying Equation is –

Choices

Choice (4) Response

a.

Straight line

b.

A circle

c.

An ellipse

d.

A hyperbola

Question number: 14

» Complex Numbers and Quadratic Equations » Triangle Inequality

MCQ▾

Question

If area of triangle on plane turned by number Equation , Equation and Equation is Equation , then Equation is –

Choices

Choice (4) Response

a.

6

b.

3

c.

4

d.

2

Question number: 15

» Complex Numbers and Quadratic Equations » Triangle Inequality

MCQ▾

Question

If the area of the triangle formed by points Equation , Equation and Equation is 50 square units, then|z| is –

Choices

Choice (4) Response

a.

5

b.

15

c.

10

d.

Question does not provide sufficient data or is vague

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