S Group Title Square root of (2/3)^2( square root(2/3)^2-4)= ? 2 years ago 2 years ago

1. Mertsj

$\sqrt{(\frac{2}{3})^2}\sqrt{(\frac{2}{3})^2}-4$

2. Mertsj

Is that the problem?

3. Mertsj

It is much easier to help someone who will actually respond to one's questions.