CUET and UG exam CUET UG 2025 Mock Test Series Mathematics Differential Calculus Evaluation of derivatives
यदि x = at⁴ और y = 2at² है, तो \(\frac{\mathrm{d}^2 y}{\mathrm{~d} x^2}\) किसके बराबर है?
1
\(-\frac{1}{4 a t^4}\)
2
\(-\frac{2}{t^3}\)
3
\(-\frac{1}{t}\)
4
\(-\frac{1}{2 a t^6}\)