Explanation:
What are irrational numbers?
Irrational numbers include numbers like: π, 12π, ∛2, √11, √12, 4√2
Note: √4 = ± 2, √16 = ± 4 and others which completely square root are still rational numbers as they can be written as whole number integers.
Here given number: √5 + 7
- It is an irrational number as it cannot be simplified further to a whole number.
- In decimals: 9.236067977... and keeps repeating.
- It is an example of non-recurring decimals. Hence, it is an irrational number.
