in the expansion of wath is the coefficient of
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Hello, dapore! . We have: . . . . . . . . . . . . . . . . . Therefore: .
Originally Posted by Soroban Hello, dapore! . We have: . . . . . . . . . . . . . . . . . Therefore: . Thank you, thank you, thank you But how we calculated
Originally Posted by dapore Thank you, thank you, thank you But how we calculated That expression is equal to I believe it comes from the coefficients of the binomial expansion
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