sqrt(u+3)=sqrt(u+3)
2007-07-13 06:31:48 · 6 answers · asked by the math 2 in Science & Mathematics ➔ Mathematics
Well first, you cant have a square root of a negative
So here are the circumstances
if u< -3 then there is no solution or "an imaginary number"
if u=-3 then it would end up being 0=0
if u> -3 then there would be a solution
So to sum it all up
u is any real number greater than or equal to -3
2007-07-13 06:45:59 · answer #1 · answered by Anthony W 2 · 0⤊ 1⤋
u+3^(2)=u+3^(2)
u+9=u+3^(2)
u+9=u+9
u+9-u=9
0+9=9
9=9
Always True
2007-07-13 06:43:13 · answer #2 · answered by rainwater 3 · 0⤊ 1⤋
It is true, they are equal to each other, which means 1=1, pretty much.
2007-07-13 06:40:03 · answer #3 · answered by Caitlin F 2 · 0⤊ 1⤋
What is there to solve? They're equal to each other.
2007-07-13 06:34:29 · answer #4 · answered by Andrew 4 · 1⤊ 0⤋
That's true.
2007-07-13 06:34:32 · answer #5 · answered by oregfiu 7 · 1⤊ 0⤋
u = any real number
2007-07-13 06:37:48 · answer #6 · answered by ironduke8159 7 · 1⤊ 0⤋