Class 11

Math

Algebra

Binomial Theorem

The middle term in the expansion of $(yx +xy )_{8}$ is.

- $_{8}C_{5}$
- $_{8}C_{6}$
- $_{8}C_{4}$
- $_{8}C_{2}$

$(yx +xy )_{8}$

There are $9$ terms in the above expansion.

Hence the middle term will be the $5_{th}$ term

$T_{5}=C_{4}(yx )_{4}(xy )_{4}=$$_{8}C_{4}$