ExamBro
ExamBro
CUET · MATHS · PYQ PAPER 2023

If \(x=2 t^3\) and \(y=3 t^4\), then \(\frac{d^2 y}{d x^2}\) is equal to :

  1. A \(\frac{3}{4 t}\)
  2. B \(\frac{1}{3 t^2}\)
  3. C \(\frac{2}{3 t}\)
  4. D \(\frac{3}{2 t^2}\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(\frac{1}{3 t^2}\)

Step-by-step Solution

Detailed explanation

\(\frac{dx}{dt} = 6t^2\) \(\frac{dy}{dt} = 12t^3\) \(\frac{dy}{dx} = \frac{dy/dt}{dx/dt} = \frac{12t^3}{6t^2} = 2t\)…
From CUET
Explore more questions on app