1
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1

Let $$f(x) = {x \over {\sqrt {1 + {x^2}} }}$$, $$\underbrace {fofofo.....of(x)}_{x\,times}$$ is

A
$${x \over {\sqrt {1 + \left( {\sum\limits_{r = 1}^n r } \right){x^2}} }}$$
B
$${x \over {\sqrt {1 + \left( {\sum\limits_{r = 1}^n 1 } \right){x^2}} }}$$
C
$${\left( {{x \over {\sqrt {1 + {x^2}} }}} \right)^x}$$
D
$${x \over {\sqrt {1 + n{x^2}} }}$$
BITSAT Subjects
EXAM MAP