SOLUTION: 1/(√2)+ x=x/(√2)
Thanks
Algebra.Com
Question 332403: 1/(√2)+ x=x/(√2)
Thanks
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
1/(√2) + x = x/(√2)
1+sqrt(2)x=x multiply each side by sqrt(2)
sqrt(2)x=x-1
2x^2=x^2-2x+1
x^2+2x-1=0
x^2+2x =1
x^2+2x+1=1+1 complete the square.
(x+1)^2=2
x+1=+-sqrt(2) sqrt of each side.
x=-1-sqrt(2) the only answer.[x=-1+sqrt(2) is extraneous]
.
Ed
RELATED QUESTIONS
√x-3 = √x+2 -... (answered by ankor@dixie-net.com)
√(2x+1)+√(x-3)=2 (answered by stanbon,MathTherapy,ikleyn)
√(x+2√(x-1)) +... (answered by KMST)
x+1 =... (answered by edjones)
are my domains correct?
√(x-5)^2: [5,inf)
√(x^2-5): [5,inf)... (answered by MathLover1)
8+√(x+1)=2 (answered by stanbon)
Find y'
y= 2√x- 1... (answered by Alan3354)
∫e^√x / √x dx=
(A) 2e^√x+C
(B) 1/2e^√x+C
(C)... (answered by Alan3354)
Solve: 2√(1-x) - 3√(2x-1) =... (answered by josgarithmetic)
√(X-2)=... (answered by funmath)