bLet the coefficient of the middle term of the binomial expansion ofspan class=math-tex\({{\left...

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bLet the coefficient of the middle term of the binomial expansion ofspan class=math-tex\({{\left( 1+x \right)}^{2n}}\)/spanbe span class=math-tex\(\alpha \)/span and those of two middle terms of the binomial expansion of span class=math-tex\({{\left( 1+x \right)}^{2n-1}}\)/span be span class=math-tex\(\beta \)/span and span class=math-tex\(\gamma \)/span. Which one of the following relations is correct?/b
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