x→0lim(f(2+x))x3ex→0limx(f(2+x)−1)3e3f′(2)=(e)12=(e)a⇒a=12y=4x3−4x2−4(a−7)x−ay=4x3−4x2−20x−12 roots x=−1,−1,3 option (1)
JEE Main 2025 — Mathematics Calculus
Let f be a differentiable function on R such that f(2)=1, f′(2)=4. Let x→0lim(f(2+x))3/x=eα. Then the number of times the curve y=4x3−4x2−4(α−7)x−α meets x -axis is :-
Held on 4 Apr 2025 · Verified 6 Jul 2026.
2
1
0
3
Sign in to track your attempts and accuracy.
Sign in to keep a private note on this question. Nothing you write is ever public.
Let $[\cdot]$ denote the greatest integer function. Then the value of $\displaystyle\int_0^3 \left(\dfrac{e^x + e^{-x}}{[x]!}\right) dx$ is :
The value of $\sum_{r=1}^{20}\left(\left|\sqrt{\pi\left(\int_{0}^{r} x|\sin \pi x| d x\right)}\right|\right)$ is $\_\_\_\_$
The value of ∫₀¹ x·eˣ dx is:
If the area of the region bounded by $16x^2 - 9y^2 = 144$ and $8x - 3y = 24$ is A, then $3(A + 6 \log_e(3))$ is equal to _______.
Let $f: \mathbb{R} \rightarrow \mathbb{R}$ be a differentiable function such that $f\left(\dfrac{x+y}{3}\right) = \dfrac{f(x) + f(y)}{3}$ for all $x, y \in \mathbb{R}$, and $f'(0) = 3$. Then the minimum value of the function $g(x) = 3 + e^x f(x)$, is:
Work through every JEE Main Calculus PYQ, year by year.