Given the scattering amplitude - f(0) = (1/2ik) Σ(21 + 1) [e²i8¹ − 1] Pi(cos €) Show that Im f(0) = kot/4л
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![115 Given the scattering amplitude
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f(0) = (1/2ik) Σ(21 + 1) [№²¹⁰¹ − 1] Pi(cos 0)
Show that
Im f(0) = kot/4л](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa0a08cfc-6243-4afa-b25c-24ad09cb81e0%2F08632fd1-ae96-4637-8a4e-9b4adc51664d%2Fmu2gpi_processed.jpeg&w=3840&q=75)
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