NDA 2024
- Exam
- NDA
- Year
- 2024
- Subject
- Mathematics
- Chapter
- Limits
NDA 2024 · Mathematics · Limits
Let f(x)=|x|+1 and g(x)=[x]-1 , where [.] is the greatest integer...
Let and , where [.] is the greatest integer function.
Let
What is equal to?
Options
- A
- B
- C
- D
Correct answer
A.
Step-by-step solution
and \lim _{x \rightarrow 0} h(x)+\lim _{x \rightarrow 0^{+}} h(x)=\lim _{x \rightarrow 0^{-}} \frac{|x|+1}{[x]-1}\begin{array}{ll}=\lim _{x \rightarrow 0^{-}} \frac{|x|+1}{[x]-1} & \\ =\frac{0+1}{-1-1}+\frac{0+1}{0-1} & \left\{\begin{array}{l}{[0-h]=-1} \\ {[0+h]=0}\end{array}\right\}\frac{1}{2}-\frac{3}{2}$ & \end{array}