Only 4 days because you can just divide 12/3 to get your answer
I believe your answer will be 10
<span>(a^2+b^2)^2
since (a+b)^2=a^2+2ab+b^2, substitute a with a^2 and b with b^2, which yields:
a^4+2(a^2*b^2)+b^4</span>
The rule says each term is double the previous one. Your terms are ...
... 7, 14, 28
