If z=a+i b, then real and imaginary part of z are

Question

If z=a+i b, then real and imaginary part of z are (A)  operatornameRe(z)=a, operatornameIm(z)=b (B)  operatornameRe(z)=b, operatornameIm(z)=a (C)  operatornameRe(z)=a operatornamelm(z)=i b (D) None of these

Tardigrade Admin · Accepted Answer

Here, z-a+i b, then real part of z i.e., operatornameRe(z)-a and imaginary part of z i.e., operatornamelm(z)=b.

Q. If $z = a + ib$ , then real and imaginary part of $z$ are

$Re (z) = a, Im (z) = b$

$Re (z) = b, Im (z) = a$

$Re (z) = a lm (z) = ib$

None of these

Here, $z - a + ib$ , then real part of $z$ i.e., $Re (z) - a$ and imaginary part of z i.e., $lm (z) = b$ .

Q. If z=a+ib, then real and imaginary part of z are

Re(z)=a,Im(z)=b

Re(z)=b,Im(z)=a

Re(z)=alm(z)=ib