JEE Main 2023 · MathsNumerical answerNumerical valueMediumMulti-step

JEE Main 11 April 2023, Shift 2, Maths Q24

Question 24 of 90 in this shift, Maths question 24 of 30, Section B.

The number of points, where the curve

f(x) = e^{8x} - e^{6x} - 3e^{4x} - e^{2x} + 1

x \in \mathbb{R}

cuts

x

-axis, is equal to ________

Official answer

NTA final key.

Chapter: Application of Derivatives
Topic: Curve Sketching
Idea tested: Root Counting via Intersection Sketching

Same idea in other shifts

Asked 2× in all

29 Jan 2024, Shift 1 · Q10Consider the function $f:\left[\frac{1}{2},1\right]\to\mathbb{R}$ defined by $f(x)=4\sqrt{2}x^3-3\sqrt{2}x-1$ . Consider the statements (I)…MediumTwo statements

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.