Complex Numbers and Quadratic Equations [BITSAT (Birla Institute of Technology & Science Admission Test) Mathematics]: Questions 12 - 19 of 26

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Question 12

Question MCQ▾

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

Choices

Choice (4)Response

a.

1

b.

c.

d.

All of the above

Edit

Question 13

Question MCQ▾

The locus of point satisfying is –

Choices

Choice (4)Response

a.

Straight line

b.

A circle

c.

An ellipse

d.

A hyperbola

Edit

Question 14

Question MCQ▾

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

Choices

Choice (4)Response

a.

3

b.

2

c.

4

d.

6

Edit

Question 15

Question MCQ▾

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

Choices

Choice (4)Response

a.

5

b.

10

c.

15

d.

All of the above

Edit

Question 16

Question MCQ▾

The locus of point z satisfying , where is a real number, is –

Choices

Choice (4)Response

a.

Circle

b.

Point of straight lines

c.

Hyperbola

d.

All of the above

Edit

Question 17

Question MCQ▾

The number is equal is

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Edit

Question 18

Appeared in Year: 2020

Question MCQ▾

If 16 identical pencils are distributed among 4 children such that each gets at least 3 pencils. The number of ways of distributing the pencils is?

Choices

Choice (4)Response

a.

25

b.

35

c.

15

d.

40

Edit

Question 19

Appeared in Year: 2019

Question MCQ▾

If , where , then what is x equal to?

Choices

Choice (4)Response

a.

2

b.

1

c.

0

d.

3

Edit