Question:
The number of terms in the expansion of $\left\{\left(2 x+y^{3}\right)^{4}\right\}^{7}$ is ______________
Solution:
In {(2x + y3)4}7
n = ??
Since In (a + b)n ; number of terms is n + 1
∴ {(2x + y3)}28
Number of terms is 28 + 1 = 29
Click here to get exam-ready with eSaral
For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.