COMPLEX NUMBERS [ AT GRADE 12 OR ADVANCED LEVEL ] Online Test

the value of ( 2 i ) is

7


The conjugate of the complex number ( 5 - 2 i )

2

is


The multiplicative inverse of the complex number, 2 - 3 i is


Expressing

in the form a + i b , we get


If Z = - 5 i - 12 , the modulus of Z will be


(1 - i )

4

is equal to


The roots of the equation

are


If Z = 1 + 3 i , the value of

is equal to


If Z =

a + i b

b - i a

, then Re( Z ) will be


The argument of

is


is equal to


If Z is any complex number ,

Z

Z

will be equal to


If

a + i b

c + i d

= x + i y , then x + y is equal to

2 2


With reference to the Real and imaginary axes , the complex numbers

represent the vertices of


If Z =

, then Arg Z

is equal to


Which of the quadrants in the Argand diagram does the point

represented by 1 + 2 i lie ?

1 - i


The real part of ( 2 + 3i)(2 - 3i)(1 + i )

2



The polar form of the complex number 0 + 5 i is

(angles shown in the choices are in degrees)


The least integer value that stands for x in the equation ,

is .............























































Description:

This test may help not only the A-level students but also those who are preparing for the forthcoming JCEE / AEEE Engineering Entrance examinations

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Discussion

devapi

qiute easy one

3894 days 13 hours 40 minutes ago

aditya

not very hard questions .easy test

4006 days 22 hours 10 minutes ago

IGNATIUS GEORGE

Hi
Fractions shown in some questions are not very clear. You please read those fractions as follows.

Question No.5 Express 1/(2 i) ...........

Questin No. 8 Z = ( a i b)/( b - i a )

Question 12 Modulus of { Z / conjugate of Z }

Qn 13 (a i b )/ ( c id ) = x iy

Qn 15 ZSee more

4295 days 1 hours 3 minutes ago

IGNATIUS GEORGE
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