Q
13.
Which of the following is the difference
between the squares of 21 and 22?
1.21
2.22
3.42
4.43
Answers
Answered by
1
Answer:
(22)² - (21)²
484 - 441
ans :- 43
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Answered by
1
Answer:
bhai or behen
the answer is the 4th option 43
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