If x = eᵗ and y = 2 cos 3t, find dy/dx.
University of Ilorin MTH102 2026-exam past question
- −6 sin 3t/eᵗ
- 6 sin 3t/eᵗ
- −6 cos 3t/eᵗ
- −2 sin 3t/eᵗ
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