Examples of using A square root in English and their translations into Thai
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Negative 3 is also a square root.
Is a square root, but so is negative 3.
And then you're taking a square root of a negative number.
And then I could write this 2 right here as a square root of 4.
I could put a square root of 2 there.
People also translate
You could factor more if we were trying to do the fourth root or something like that, but we want to just do a square root.
It just gives me a square root of a negative number.
We learned in the imaginary numbers video, that hopefully you have watched, that every now and then in certain equations you end up with a square root of a negative number.
And you want to take a square root of the right-hand side just like that.
Left hand side--is equal to 4a squared plus 4a times a square root of x minus f squared plus y squared.
You can't take a square root of a negative sign if you're doing with real numbers.
So the square root of this is plus or minus 16, but then a square root of at least a plus 16 is plus or minus 4.
And then times a square root, I will just switch colors, times the square root of dx dt squared. .
So that we have rationalized a square root of three over three.
We don't have a square root yet, but we haven't taken the square root of both sides of this equation, so let's do that.
In the future, we're going to introduce something called an imaginary number, which is a square root of a negative number, and then we can actually express this in terms of those numbers.
By definition, a square root is something-- A square root of 9 is a number that, if you square it, equals 9.
So that's the answer, because you can't take a square root of a negative number and stay in the set of real numbers.
So when you see a square root of 3 over 2, hopefully you recognize this is a 30 60 90 triangle.
Once again, this is not a polynomial, because it has a square root in it, which is essentially raising something to the 1/2 power.
And when anyone just says a square root like that, that means the positive square root, the principal square root. .
I have a cosine of theta divided by a cosine of theta, those cancel out, so we will just get 1, and then I have a square root of 3 up here divided by a square root of 3, so those two guys are going to cancel out, so my integral simplifies nicely to 1 over square root of 2 d theta.
And then this is of course just a square root of x here plus the square root of x, and that equals 1 over 2 square root of x.
And they give these choices. a, square root of x, b, square root of x squared plus 1, which we just figured out was actually the answer. c, x, d.
The square root of a squared plus b squared. .
Or the square root of a squared, which is just going to be equal to a. .
The focal length is equal to the square root of a squared plus b squared. .
Square Root.
Square Root.
Another square root of a three.