What is the simplified sum of √3+√12=

- anonymous

What is the simplified sum of √3+√12=

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- schrodinger

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- anonymous

Hint √12 = √ (4 * 3 ) = ....?

- anonymous

the sqrt(12) = 2 sqrt(3)
so sqrt(3) + 2 sqrt(3) is your solution

- anonymous

It can be simpler.

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## More answers

- anonymous

sqrt(3) is IMPLIED 1*sqrt(3) . What is 1 + 2?

- anonymous

All i care about is her understanding the methods on how to get it, regardless of how to do it

- anonymous

o_O
Very good.

- anonymous

now I am confused

- anonymous

just follow the method I provided

- anonymous

ok

- anonymous

You didn't provide any method, you provided a solution ..... :/
Here, you can rewrite sqrt(12) like @Chlorophyll said.

- anonymous

sqrt(12) = the terms sqrt(4) * sqrt(3)
sqrt(4) = 2 which stays on the outside of the radical 2sqrt(3) + sqrt(3)
which is the solution

- anonymous

|dw:1349328337783:dw|

- anonymous

2√3

- anonymous

either works 3sqrt(3) or sqrt(3) = 2sqrt(3)

- anonymous

5.193

- anonymous

Right, but one is simplified all of the way, and one is not. If you are providing answers to a computer (all too common), it will complain that it is not completely simplified. It's important to see how they add like that.

- anonymous

no answers to computers will accept both such as webassign or webwork

- anonymous

as long as the programs are accurate

- anonymous

I've tutored for years, and I can assure that this is not the case whatsoever. You can continue being indignant though.

- anonymous

rannsan r u clear?

- anonymous

k

- anonymous

yes thank you a lot
I have another one for yall....................sorry for the yall I am in the south.

- anonymous

square root 3 value 1.732 so 1.732+2(1.732)=5.196

- anonymous

@rannsan We explain so that you can understand and work by YOURSELF :)

- anonymous

Do not do this.

- anonymous

That answer will be an approximation (with round off error). The exact answer is that as has been shown.

- anonymous

@SOMU.kvp You should learn from the others' solution!

- anonymous

what mr.chlorophy?

- anonymous

Decimal number isn't allowed to solve these types!

- anonymous

y?

- anonymous

They are approximations. You can't always just plug and chug to get numbers out. For example. Pi = 3.14...this is an approximation and is far from exact.
Pi, is exact.
Similarly sqrt(3)...
1.73 is an approximation. sqrt(3) is exact.
When you have problems that grow to a page or fill a chalk board, doing rounding like this will give you VERY wrong answers especially if you do it early in the problem. It's called error propagation. Google it.

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