Reduce 
to the standard form.
We have,
= 
= 
= 
= 
= 
= 
Now by multiplying numerator and denominator by (14 + 5i), we get:
= 
= 
= 
= 
= 
Hence, this is the required standard form
4
Reduce to the standard form.
We have,
=
=
=
=
=
=
Now by multiplying numerator and denominator by (14 + 5i), we get:
=
=
=
=
=
Hence, this is the required standard form