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

Application of Derivatives question

2024 · 27 Jan · Shift 2 · Q44
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Mathematics
  4. /Application of Derivatives
  5. /2024 · 27 Jan · Shift 2 · Q44

Application of Derivatives question

2024 · 27 Jan · Shift 2 · Q44

JEE MainMathematicsApplication of DerivativesMCQ+4 / −1
Let g(x)=3f(x3)+f(3−x)g(x)=3 f\left(\frac{x}{3}\right)+f(3-x)g(x)=3f(3x​)+f(3−x) and f′′(x)>0f^{\prime \prime}(x)\gt 0f′′(x)>0 for all x∈(0,3)x \in(0,3)x∈(0,3). If ggg is decreasing in (0,α)(0, \alpha)(0,α) and increasing in (α,3)(\alpha, 3)(α,3), then 8α8 \alpha8α is :
  1. A
    0
  2. B
    24
  3. C
    18
  4. D
    20
PreviousNext

More from Application of Derivatives

  • Consider the function f:[21​,1]→R defined by f(x)=42​x3−32​x−1. Consider the statements (I) The curve y=f(x) intersects the x-axis exactly at one point. (II) The curve y=f(x)…2024 · MCQ
  • Let f(x)=2x−x2,x∈R. If m and n are respectively the number of points at which the curves y=f(x) and y=f′(x) intersect the x-axis, then the value of m+n is ​.2024 · Numerical
  • The function f(x)=x2−6x−16x​,x∈R−{−2,8}2024 · MCQ
  • The function f(x)=2x+3(x)32​,x∈R, has2024 · MCQ
  • The maximum area of a triangle whose one vertex is at (0,0) and the other two vertices lie on the curve y=−2x2+54 at points (x,y) and (−x,y), where y>0, is :2024 · MCQ
  • Let f(x)=(x+3)2(x−2)3,x∈[−4,4]. If M and m are the maximum and minimum values of f, respectively in [−4,4], then the value of M−m is2024 · MCQ
  •  If f(x)=​x33x2+2x3−x​2x2+12x4​1+3xx3+6x2−2​​ for all x∈R, then 2f(0)+f′(0) is equal to …2024 · MCQ
  • Let f:→R→(0,∞) be strictly increasing function such that limx→∞​f(x)f(7x)​=1. Then, the value of limx→∞​[f(x)f(5x)​−1]…2024 · MCQ