Question

15. Find the square of 395 using the identity ( ab)2 = a 2ab + b² .​

Answer 1

Answer:

Rule =(a+b)2=a2+2ab+b2

Step-by-step explanation:

395=400-5=a=400 b=5

(400)2+2*400*5+(5)2

160000+4000+25

and=164025

all the a and b we have do to them square and this is the solution you want any help please ask me