If z = a+bi then a is called……….
a)Re(z)
b) Img(z)
c) both
d) none of these
If z = a+bi then b is called………
a)Re(z)
b)Img (z)
c) both
d) none of these
Every real number is a.......number
a)integer
b) complex
c) both
d) none of these
If we change sign of imaginary part in
z= a+ ibthen the new number z = a - ib is called….......
a)conjugate
b) integer
c)not real
d) none of these
Conjugate of 2+3i is...........
a)2-3i
b) 2
c) 3
d) none
Re(2+3i) is……………....
a)2-3i
b) 2
c) 3
d) none
