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CBSE Class 11-science Answered

Find the middle term in the expansion of .

Asked by Topperlearning User | 30 Sep, 2016, 09:15: PM

Expert Answer

As n is even, the middle term of the expansion isterm.

$T subscript 6 equals T subscript 5 plus 1 end subscript equals C presuperscript 10 subscript 5 x to the power of 5 left parenthesis fraction numerator negative 1 over denominator 6 y end fraction right parenthesis to the power of 5 equals negative 7 over 216 x to the power of 5 over y to the power of 5$

Answered by | 30 Sep, 2016, 11:15: PM

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