Question

solve the problem
don't send only answer
send solution of each question ​

Answer 1

Step-by-step explanation:

1. 7^2=49. 8^2=64

64-49=15

2. 10^2=100. 11^2=121

121-100=21

3. 40^2=1600 41^2=1681

1681-1600=81

4. 80^2=6400 81^2=6561

6561-6400=161

5. 101^2=10201 102^2=10404

10404-10201=203

6. 205^2=42025. 206^2=42436

42436-42025=411

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