Let f(x)= vmatrix 3x^2& x&- x 6&-1&0 &q^2&q^3 vmatrix where q is any constant, then what is d^2 dx^2 (f(x)) at x=0 equal to?

NDA 2026 Mathematics question

Let where is any constant, then what is at equal to?

Answer: (B)

Only the first row depends on , so differentiating twice means differentiating the first row twice: \begin{vmatrix}\cos$

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Question ID VK-030265