MCQ
For function $f(x)={\left( {1 + \frac{1}{x}} \right)^x}$  Which one of the following limits tends to unity'
  • A
    $\mathop {Lim}\limits_{x \to \infty } \,\,{\rm{f}}(x)$
  • $\mathop {Lim}\limits_{x \to {0^ + }} \,\,{\rm{f}}(x)$
  • C
    $\mathop {Lim}\limits_{x \to  - {1^ - }} \,\,{\rm{f}}(x)$
  • D
    $\mathop {Lim}\limits_{x \to  - \infty } \,\,{\rm{f}}(x)$

Answer

Correct option: B.
$\mathop {Lim}\limits_{x \to {0^ + }} \,\,{\rm{f}}(x)$
b

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

If $y = mx + c$ is tangent on the ellipse $\frac{{{x^2}}}{9} + \frac{{{y^2}}}{4} = 1$, then the value of $c$ is
Let $f$ be $a$ differentiable function on the open interval $(a, b)$. Which of the following statements must be true?

$I$. $f$ is continuous on the closed interval $[a, b]$

$II.$ $f$ is bounded on the open interval $(a, b)$

$III.$ If $a$ $< a_1< b_1< b$, and $f (a_1)<0< f (b_1)$, then there is $a$ number $c$ such that $a_1 < c < b_1$ and $f (c)=0$

Let $x^{2}+y^{2}+A x+B y+C=0$ be a circle passing through $(0,6)$ and touching the parabola $y = x ^{2}$ at $(2,4)$. Then $A + C$ is equal to
There are $n$ white and $n$ black balls marked $1, 2, 3, ...., n$. The number of ways in which we can arrange these balls in $a$ row so that neighbouring balls are of different colours are
If one of the roots of the equation ${x^2} + ax + b = 0$ and ${x^2} + bx + a = 0$ is coincident, then the numerical value of $(a + b)$ is
If the line $y=m x$ bisects the area enclosed by the lines $x=0, y=0, x=\frac{3}{2}$ and the curve $\mathrm{y}=1+4 \mathrm{x}-\mathrm{x}^{2}$, then $12 \mathrm{~m}$ is equal to ..... .
The sum of the coefficient of $x^{2 / 3}$ and $x^{-2 / 5}$ in the binomial expansion of $\left(x^{2 / 3}+\frac{1}{2} x^{-2 / 5}\right)^9$ is :
Suppose $A B C D(A B \| C D)$ is a trapezium such that the diagonals $AC , BD$ bisect the angles $\angle DAB , \angle CBA$, respectively. Then
If the expansion of ${\left( {{y^2} + \frac{c}{y}} \right)^5}$, the coefficient of $y$ will be
If sum of all the solutions of the equation $8\cos x \cdot \left( {\cos \left( {\frac{\pi }{6} + x} \right) \cdot \cos \left( {\frac{\pi }{6} - x} \right) - \frac{1}{2}} \right) = 1$ in $\left[ {0,\pi } \right]$ is $k\pi $then $k$ is equal to :