state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Mathematics Differential Calculus Applications of Derivatives
Find the interval in which the function \(f\left( x \right) = 5{x^2} - 2x\) is strictly increasing.
1
Strictly increasing on R
2
Strictly decreasing on R
3
Strictly increasing on (1/5, ∞)
4
Strictly decreasing on (1/5, ∞)
5
Question Not Attempted