-
gmatrant
- Master | Next Rank: 500 Posts
- Posts: 416
- Joined: Wed Oct 03, 2007 9:08 am
- Thanked: 10 times
- Followed by:1 members
Read the below post by on of the members. In GMAT square root of a number is always positive.
Can some one explain this, I seem a bit lost on the explanation.
So am I saying sqrt(9) = only 3.
what is sqrt(x^2) ==>
what is sqrt(x) ==>
On the GMAT, the square root of a number is ALWAYS positive but when you have x^2, x could be positive or negative. In other words,
Can some one explain this, I seem a bit lost on the explanation.
So am I saying sqrt(9) = only 3.
what is sqrt(x^2) ==>
what is sqrt(x) ==>
On the GMAT, the square root of a number is ALWAYS positive but when you have x^2, x could be positive or negative. In other words,
