Class 11

Math

Algebra

Sequences and series

The geometric mean between two numbers $a$ and $b$ is

- $ab $
- $ab 1 $
- $2ab $
- $2ab $

**Correct Answer: ** Option(a)

**Solution: **We need to find the geometric mean between two numbers $a$ and $b$.First we need to multiply the two terms i.e. $a×b$.

Then take square root $ab $.