In the half-range sine series expansion of f(t) = e^2t for Osts1, find b7. O 14z[(1+e^2)/(4-497^2)] O 14z[(1+e^2)/(4+49r^2)] 14(1-e^2)/(4-49rt^2)] 14z[(1-e^2)/(4+497^2)]

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A: The Solution is given below:

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