ExamHabit
Practise free

1991

JEE Main 1991 Mathematics question on Limits Continuity and Differentiability

The value of lim⁡x→012(1−cos⁡2x)x\lim_{x \to 0} \dfrac{\sqrt{\dfrac{1}{2}(1-\cos^2 x)}}{x} is
  1. A.
    1
  2. B.
    -1
  3. C.
    0
  4. D.
    None of these
Show answer

Correct option: D

[1991]

Practise Limits Continuity and Differentiability the way it is asked

A timed set of real JEE Main Limits Continuity and Differentiability questions, graded as the exam grades. No sign-up.

Start a Limits Continuity and Differentiability test

More: all JEE Main Limits Continuity and Differentiability questions · JEE Main 1991 · Mathematics chapter list