12. Use the identity (a – b)2= a2 – 2ab + b2 and find the square of 189?
Answers
Answered by
3
Answer:
,
Step-by-step explanation:
hope it will help you thank you
Attachments:
Answered by
4
Answer:
35721
Step-by-step explanation:
189 =(200 -11)
(200-11)²=(200)²-2(200)(11) +(11)²
=40000-4400+121
=35721
Similar questions