Question

How do you find the 1st term in the expansion of `(a+b)^5`?

Answer 1

`a^5`

Explanation:

The first term will be the product of the first terms of 5 brackets.
As the coefficient is 1, the 5th power of 1 = 1.

`1a^5 = a^5`

In the same way, the last term will be `b^5`