The frequency of oscillation of the springs shown in the figure will be
AIIMS 2001, Medium
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(d)$n = \frac{1}{{2\pi }}\sqrt {\frac{{{k_{eq}}}}{m}} = \frac{1}{{2\pi }}\sqrt {\frac{{{k_1}{k_2}}}{{({k_1} + {k_2})m}}} $
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