Answer:
(-3+5i)(1)=-3+5i
Step-by-step explanation:
The multiplicative identity is given by :
[tex]a\times 1=a[/tex]
Where
a can be any number
Out of 4 options, in option (2), (-3+5i) is multiplied by 1 and after multiplying we get (-3+5i).
Hence, the correct option is (b).
