1
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
The foci of hyperbola $ 4 x^{2}-9 y^{2}-1=0 $ are
A
$ ( \pm \sqrt{13}, 0) $
B
$ \left( \pm \frac{\sqrt{13}}{6}, 0\right) $
C
$ \left(0, \pm \frac{\sqrt{3}}{6}\right) $
D
None of these
2
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
Let $ [x] $ denote the greatest integer $ \leq x $. If $ f(x)=[x] $ and $ g(x)=|x| $, then the value of $ f\left(g\left(\frac{8}{5}\right)\right)-g\left(f\left(-\frac{8}{5}\right)\right) $ is
A
2
B
-2
C
1
D
-1
3
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1

Let $ f $ be the function defined by

$ f(x)=\left\{\begin{array}{cc} \frac{x^{2}-1}{x^{2}-2|x-1|-1}, & x \neq 1 \\ \frac{1}{2}, & x=1 \end{array}\right. $

A
The function is continuous for all values of $ x $
B
The function is continuous only for $ x > 1 $
C
The function is continuous at $ x=1 $
D
The function is not continuous at $ x=1 $.
4
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
If $ x \sqrt{1+y}+y \sqrt{1+x}=0 $, then $ \frac{d y}{d x}= $
A
$ \frac{x+1}{x} $
B
$ \frac{1}{1+x} $
C
$ \frac{-1}{(1+x)^{2}} $
D
$ \frac{x}{1+x} $
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12