MCQ
$3+2\sqrt{5}$ is a/ an :
- ✓irrational number
- Brational number
- Cinteger
- Dnatural Number
✓
Answer
Correct option: A.
irrational number
Here, $3$ is rational and $2\sqrt{5}$ is irrational.
We know that the sum of a rational and an irrational is an irrational number,
therefore, $3+2\sqrt{5}$ is irrational.
We know that the sum of a rational and an irrational is an irrational number,
therefore, $3+2\sqrt{5}$ is irrational.
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