One of the terms in the expansion of $(x + y)^{n}$ is $k x^{8} y^{13}$ . Find the number of terms in the expansion.

__

Open in App

Solution

In the expansion of $(x + y)^{n}$ , the sum of powers of x and y is equal to n.
$\Rightarrow n = 21$
The number of terms in the expansions is (n+1)=22

Suggest Corrections

Similar questions

One of the terms in the expansion of $(x + y)^{n}$ is $k x^{8} y^{13}$ . Find the number of terms in the expansion.

(x + y)^{n}

Find the $(r + 1)^{t h}$ term in the expansion of $(x + y)^{n}$

{(x + y)}^{n}

4 t h

13 t h

^{'} n^{'}

{(x + y)}^{n}

240, 720, 1080

x, y, n

Join BYJU'S Learning Program