Question: The largest coefficient in (1 + x)41 is ___________.
Solution:
In (1 + x)41
Since n is odd i.e 41
∴ The largest coefficient is 41C21 or 41C20
i. e. $\left(\frac{n+1}{2}\right.$ or $\left.\frac{n+1}{2}+1\right)$ th term gives largest coefficient
