JEE Main 2021 — Inverse Trigonometric Functions Question with Solution
From: JEE Main 2021 (Online) 20th July Morning Shift
Question
The number of real roots of the equation is :
Choose an option
Show full solutionCorrect option: D
Correct answer
D0
Step-by-step explanation
For equation to be defined,
x2 + x 0
x2 + x + 1 1
Only possibility that the equation is defined
x2 + x = 0 x = 0; x = 1
None of these values satisfy
No of roots = 0
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This is a previous-year question from JEE Main 2021, covering the Inverse Trigonometric Functions chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.