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

2021 · 26 Aug · Shift 2 · Q38
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. /2021 · 26 Aug · Shift 2 · Q38

Limits Continuity and Differentiability question

2021 · 26 Aug · Shift 2 · Q38

JEE MainMathematicsLimits Continuity and DifferentiabilityMCQ+4 / −1
lim⁡x→2(∑n=19xn(n+1)x2+2(2n+1)x+4)\mathop {\lim }\limits_{x \to 2} \left( {\sum\limits_{n = 1}^9 {{x \over {n(n + 1){x^2} + 2(2n + 1)x + 4}}} } \right)x→2lim​(n=1∑9​n(n+1)x2+2(2n+1)x+4x​) is equal to :
  1. A
    944{9 \over {44}}449​
  2. B
    524{5 \over {24}}245​
  3. C
    15{1 \over 5}51​
  4. D
    736{7 \over {36}}367​
PreviousNext

More from Limits Continuity and Differentiability

  • The value of h→0lim​2{3​h(3​cosh−sinh)3​sin(6π​+h)−cos(6π​+h)​} is :2021 · MCQ
  • Let f(x) be a differentiable function at x = a with f'(a) = 2 and f(a) = 4. Then x→alim​x−axf(a)−af(x)​ equals :2021 · MCQ
  • Let f(x)=sin−1x and g(x)=2x2−x−6x2−x−2​. If g(2)=x→2lim​g(x), then the domain of the function fog is :2021 · MCQ
  • Let f:R→R be defined as f(x)=⎩⎨⎧​2sin(−2πx​)∣ax2+x+b∣sin(πx)​if x<−1if −1≤x≤1if x>1​…2021 · MCQ
  • If α, β are the distinct roots of x2 + bx + c = 0, then x→βlim​(x−β)2e2(x2+bx+c)−1−2(x2+bx+c)​ is equal to :2021 · MCQ
  • If x→∞lim​(x2−x+1​−ax)=b, then the ordered pair (a, b) is :2021 · MCQ
  • Let f:(−4π​,4π​)→R be defined as f(x)=⎩⎨⎧​(1+∣sinx∣)∣sinx∣3a​becot4x/cot2x​,,,​−4π​<x<0x=00<x<4π​​…2021 · MCQ
  • Let f : R → R be a function such that f(2) = 4 and f'(2) = 1. Then, the value of x→2lim​x−2x2f(2)−4f(x)​ is equal to :2021 · MCQ