Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Limits Continuity and Differentiability question

2018 · Shift 0 · Q44
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Limits Continuity and Differentiability
  5. /2018 · Shift 0 · Q44

Limits Continuity and Differentiability question

2018 · Shift 0 · Q44

JEE MainMathematicsLimits Continuity and DifferentiabilityMCQ+4 / −1
For each t ∈R\in R∈R, let [t] be the greatest integer less than or equal to t. Then lim⁡x→0+x([1x]+[2x]+.....+[15x])\mathop {\lim }\limits_{x \to {0^ + }} x\left( {\left[ {{1 \over x}} \right] + \left[ {{2 \over x}} \right] + ..... + \left[ {{{15} \over x}} \right]} \right)x→0+lim​x([x1​]+[x2​]+.....+[x15​])
  1. A
    does not exist in R
  2. B
    is equal to 0
  3. C
    is equal to 15
  4. D
    is equal to 120
PreviousNext

More from Limits Continuity and Differentiability

  • x→3lim​ 2x−4​−2​3x​−3​ is equal to :2017 · MCQ
  • The value of k for which the function f(x)={(54​)tan5xtan4x​,k+52​,​0<x<2π​x=2π​​…2017 · MCQ
  • x→2π​lim​(π−2x)3cotx−cosx​ equals2017 · MCQ
  • If the function f(x) = {−xa+cos−1(x+b),​x<11≤x≤2​ is differentiable at x = 1, then ba​ is equal to :2016 · MCQ
  • If x→∞lim​(1+xa​−x24​)2x=e3, then 'a' is equal to :2016 · MCQ
  • Let a, b ∈ R, (a e 0). If the function f defined as f(x)=⎩⎨⎧​a2x2​,a,x32b2−4b​,​0≤x<11≤x<2​2​≤x<∞​…2016 · MCQ
  • x→0lim​2xtanx−xtan2x(1−cos2x)2​ is :2016 · MCQ
  • For x∈R,f(x)=∣log2−sinx∣ and g(x)=f(f(x)), then :2016 · MCQ