Subtract the square of 42 from the square of 43 without actually calculating the squares.
Answers
Answered by
3
Answer:
43^2-42^2
=(43+42)(43-42)
=85*1
=85
Explanation:
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Answered by
1
Answer:
Given,
We need to Subtract the square of 42 from the square of 43 without actually calculating the squares.
Using the formula
We get.....
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