Hello, need a little help please,
sqrt 3x
----------
sqrt x - sqrt 3
2007-05-25 07:02:40 · 3 answers · asked by ksstormhunter 1 in Science & Mathematics ➔ Mathematics
Hello, that part I understand, it is how do i correctly multiply sqrt 3x * (sqrt x + sqrt 3)
2007-05-25 07:09:21 · update #1
Multiply both top and bottom by: sqrt(x) + sqrt(3)
You should end up with:
sqrt(3x) [sqrt(x) + sqrt(3)]
----------------------- ----------------------
[sqrt(x) - sqrt(3)] [sqrt(x) + sqrt(3)]
=
sqrt(3x^2) + sqrt(9x)
------------------------------
x - 3
=
xsqrt(3) + 3sqrt(x)
-------------------------
x - 3
*EDIT: To multiply the numerator, use the distributive property, and remember that the product of square roots is the same as the square root of the products. In other words, the square root of 3 times the square root of x is the same as the square root of 3x.
2007-05-25 07:05:22 · answer #1 · answered by Anonymous · 0⤊ 0⤋
multiply top and bottom by sqrt(x) + sqrt(3)
2007-05-25 14:05:44 · answer #2 · answered by mark r 4 · 0⤊ 0⤋
I am reading question as:-
â3.x / (âx - â3)
= â3.x.(âx + â3) / (x - 3)
= (â3.x^(3/2) + 3x ) / (x - 3)
2007-05-27 14:25:11 · answer #3 · answered by Como 7 · 0⤊ 0⤋