Class CBSE Class 12 Mathematics Differential Equations Q #1833
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5 Marks 2026 AISSCE(Board Exam) LA
If $x = \cos t, y = \cos mt$, prove that $\left(1-x^2\right) \frac{d^2y}{dx^2} - x \frac{dy}{dx} + m^2y = 0$.