Subtract the square of 21 from the square of 22 without actually calculating the squares.
Answers
Answered by
1
Answer:
Given,
We need to Subtract the square of 21 from the square of 22 without actually calculating the squares.
Using the formula
We get....
Answered by
0
Explanation:
WE use identity here
so
Similar questions
Math,
5 months ago
Science,
5 months ago
English,
9 months ago
CBSE BOARD X,
9 months ago
Computer Science,
11 months ago
Geography,
11 months ago