WB JEE 2020 | Limits, Continuity and Differentiability Question 46 | Mathematics

WB JEE 2020

MCQ (Single Correct Answer)

-0.5

$$\mathop {\lim }\limits_{x \to 1} \left( {{1 \over {1nx}} - {1 \over {(x - 1)}}} \right)$$

Does not exist

$${1 \over 2}$$

WB JEE 2019

MCQ (Single Correct Answer)

-0.25

$$\mathop {\lim }\limits_{x \to {0^ + }} ({x^n}\ln x),\,n > 0$$

does not exist

exists and is zero

exists and is 1

exists and is e^$$-$$1

WB JEE 2019

MCQ (Single Correct Answer)

-0.25

The limit of the interior angle of a regular polygon of n sides as n $$ \to $$ $$\infty $$ is

$$\pi $$

$${\pi \over 3}$$

$${3\pi \over 2}$$

$${2\pi \over 3}$$

WB JEE 2019

MCQ (Single Correct Answer)

-0.25

$$\mathop {\lim }\limits_{x \to {0^ + }} {({e^x} + x)^{1/x}}$$

Does not exist finitely

is 1

is e²

is 2

WB JEE Subjects