What is the expansion of (a + b)2?


  1. Home
  2. Math
  3. All Questions
Answer:

a2 + 2ab + b2

Step by Step Explanation:
  1. Let's write (a + b)2 as: (a + b)(a + b)
    = (a + b)a + (a + b)b
    = a2 + ab + ab + b2
    = a2 + 2ab + b2
  2. Therefore the expansion of (a + b)2 is a2 + 2ab + b2.

You can reuse this answer
Creative Commons License