Solve 11^2 using an appropriate identy
Answers
Answered by
0
Answer:
121
full answer below
Step-by-step explanation:
11² can be written as (10+1)²
as (a+b)²= a²+ b²+2ab
(10+1)²= (10)²+(1)²+2.1.10
= 100+1+20
= 121
therefore 11²=121
Similar questions
Computer Science,
1 month ago
Social Sciences,
1 month ago
Math,
3 months ago
Math,
3 months ago
Math,
10 months ago