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If b is very small as compared to the value of a, so that the cube and other higher powers of ba can be neglected in the identity 1a−b+1a−2b+1a−3b+⋯+1a−nb=αn+βn2+γn3, then the value of γ is |
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Answer» If b is very small as compared to the value of a, so that the cube and other higher powers of ba can be neglected in the identity 1a−b+1a−2b+1a−3b+⋯+1a−nb=αn+βn2+γn3, then the value of γ is |
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