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← Bihar Board Class 12 PYQ
Application of Derivatives
Bihar Board Class 12 · Mathematics · 13 past questions
Topic
Slope of a tangent and normal
4
Maxima and minima
3
Equation of tangent and normal
2
Rate of change
2
Increasing and decreasing functions
1
Level
Easy
0
Moderate
1
Year
2026
0
2025
1
2024
0
2023
0
2021
0
2019
0
2018
0
1 of 13 ·
show all
Q6
2025
Find the interval in which the function $f(x)=2x^3+9x^2+12x-1$ is decreasing.
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