Question

2). Which of the following is the
difference between the squares of 21
and 22? (i) 21 (ii) 22 (iii) 42 (iv) 43​

Answer 1

Answer:

43

square of 21=441

square of 22=484

441-484=43

Answer 2

Answer:

43

Step-by-step explanation:

(21)²=441

(22)²=484

441-448=43

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