Question

What is tell a4 from algebra formula

Answer 1

Answer:

a^2 + b^2 = (a+b) (a+b) = a(a+b) + b (a+b) = a^2 + ab +ba + b^2 = a^2 + 2ab + b^2. So now to your question…. = a^4 + 2a^2b^2 + b^4.