Number of middle terms in the expansion of $(a + b)^{21}$ is:

___

Open in App

Solution

When the power (in this case 21) is an odd number, there will be two middle terms. Middle terms in this case $11^{t h}$ and $12^{t h}$ terms.

Suggest Corrections

Similar questions

Find the number of middle terms in the expansion of $(a + b)^{21}$

Number of middle terms in the expansion of $(a + b)^{20}$ is:

Find the number of middle terms in the expansion of $(a + b)^{20}$ .

{(\frac{a}{x} + b x)}^{12}

(1 + x)^{2 n - 1}

^{2 n} C_{n}

(1 + x)^{2 n - 1}

n

Join BYJU'S Learning Program