Answer:
Option 3 - complex number
Explanation:
Given : Number
![3-77i](https://img.qammunity.org/2020/formulas/mathematics/high-school/gtby7k71sphq4g5y2f15ph7kc5h4vtrx7b.png)
To find : What type of number is given ?
Solution :
Real numbers include all rational and irrational numbers.
Pure Imaginary number includes only imaginary term i.e. i
Complex number is the combination of real and imaginary number.
We have given, Number
![3-77i](https://img.qammunity.org/2020/formulas/mathematics/high-school/gtby7k71sphq4g5y2f15ph7kc5h4vtrx7b.png)
Where, 3 is the real number and 77i is imaginary number.
So, The number
is a complex number.
Therefore, Option 3 is correct.