Question

What is formula of expansion​

Answer 1

Answer:

According to the binomial expansion theorem, it is possible to expand any power of x + y into a sum of the terms. The Binomial Expansion Formula or Binomial Theorem is given as: \large (x+y)^{n} = x^{n} + nx^{n-1}y + \frac{n(n-1)}{2!} x^{n-2} y^{2} + I hope it will help you please follow me