1
x1=1
2
x 2 = 4
3
x 3 = 9
4
x4 = 16 The next number is the bold 4 on this line.
Answer:
i think the answer is 99 im not completely sure though
but i hope this helps
The answer is c. 6/10 because it is equivalent to 3/5 when you simplify. Everything else is 2/5.
Binomial theorem:

The

term corresponds with the term in the sum for which

. For this

, we get

So the coefficient you want to find is