AmberlyKhan
  • AmberlyKhan
What does 3√2 or x√3 mean?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Vocaloid
  • Vocaloid
3√2 means 3 times the square root of 2 x√3 means x times the square root of 3
AmberlyKhan
  • AmberlyKhan
Still kinda confused... @Vocaloid
Vocaloid
  • Vocaloid
√ means square root, so √2 means the square root of 2 3√2 means 3 times the square root of 2

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Vocaloid
  • Vocaloid
is that a bit more clear?
AmberlyKhan
  • AmberlyKhan
I get it now, I just dont know how its used in questions.
Vocaloid
  • Vocaloid
can you give an example?
AmberlyKhan
  • AmberlyKhan
Maybe the pythagorean theorem? Im confused with that too. My tutor gave the the two triangles and it looks like this:
AmberlyKhan
  • AmberlyKhan
@Vocaloid
Vocaloid
  • Vocaloid
oh, in that case, let's look at the left triangle first
Vocaloid
  • Vocaloid
this is a special triangle called a 30-60-90 triangle. the "x" on the bottom represents the length of the side across from the 30 degree angle. the x√3 on the left side means that side is x times √3, and the 2x on the hypotenuse means that the hypotenuse is 2 times the side x
Vocaloid
  • Vocaloid
x can be anything
Vocaloid
  • Vocaloid
so, for example, if the side across from the 30 degree angle is 2, then the side across from the 60 degree angle is 2√3 and the hypotenuse is 4
AmberlyKhan
  • AmberlyKhan
so 2√3 is the simplest form for that sides value?
AmberlyKhan
  • AmberlyKhan
meaning it wont be just a number, right? itll always be something √3
Vocaloid
  • Vocaloid
well yea, in this case, but not always
Vocaloid
  • Vocaloid
if x = √2 then x√3 = √2√3 = √6
Vocaloid
  • Vocaloid
it really depends on what x is
AmberlyKhan
  • AmberlyKhan
ok, but if x is an integer it will be √3, only if its another radical it can be simplified
Vocaloid
  • Vocaloid
right
AmberlyKhan
  • AmberlyKhan
ok, im almost gwtting this but how would you use this in a problem, like how do you multiply or add x√y?
Vocaloid
  • Vocaloid
what do you mean? if it's something like 2√3 you just leave it the way it is
AmberlyKhan
  • AmberlyKhan
Vocaloid
  • Vocaloid
@Nnesha gtg, would you mind taking over?
Nnesha
  • Nnesha
what's the statement for first one ? like what we have to do with that pic ?
AmberlyKhan
  • AmberlyKhan
the pythagorean theorem @Nnesha

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