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if n∑r=0{ar(x−y+2)r−br(y−x−1)r}=0,∀ n ∈ N, then bn is equal to |
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Answer» if n∑r=0{ar(x−y+2)r−br(y−x−1)r}=0,∀ n ∈ N, then bn is equal to
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