solve this. ..please as soon as uh can ... nd no spams please
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English But This Is Accountancy
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Okk But I will surely help you in this subject
which standard it is
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Oscillation is the repetitive variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states. ... Familiar examples of oscillation include a swinging pendulum and alternating current.
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