Two springs having stiffness k₁ and k₂, respectively are used in a vertical position to support a single object of mass m. Show that the angular frequency of oscillation is [(k₁ + k₂)/m]¹/2 if the springs are tied in parallel, and [k₁k₂/(k₁ + k₂)m] ¹/² if the springs are tied in series.
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