Question

(41)^2+(40)^2 using property (a+b)^2= a^2+2ab+b^2​

Answer 1

41^2 + 40^2 = (81)^2 - 2*40*41

= 3281

Answer 2

Step-by-step explanation:

(41)^2+(40)^2

(40+1)^2+(40)^2

40^2+2(40)(1)+1^2+1600

1600+1600+80+1

3281