- #1
Raghav Gupta
- 1,011
- 76
Homework Statement
$$ \lim_{x\to\infty} (\sqrt{a^2x^2 +bx + x} -ax) = $$
b/2a
b/a
0
2b/a
Homework Equations
Lim x tends to infinity 1/x = 0
The Attempt at a Solution
Taking a2x2 common from square root, we get
$$ \lim_{x\to\infty} (ax \sqrt{1+\frac{b}{a^2x}+ \frac{1}{a^2x}} -ax) = $$
Putting x as infinity we get,
ax - ax = 0
But Wolfram is showing something else