Question

a^2+b^2= pls tell me fast

Answer 1

Answer:

(a+b)²-2ab= a²+b²

Step-by-step explanation:

simply use (a+b)² to derive that we know that (a+b)²=a²+b²+2ab

send 2ab other side we get (a+b)²-2ab= a²+b²

Answer 2

a²+b²= (a+b)² -2ab

I hope it will be help full for you