Question

Guys please answer

write down the correct number in the box [for every natural number n we have
$(n + 1) {}^{2} - \: {n}^{2} - (n + 1 - n)(n + 1 + n) = (n + 1) + n)$
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${23}^{2 } \: - {22}^{2} =$
${101}^{2} \: - \: {100}^{2} =$
${551}^{2} \: - \: {550}^{2} =$
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Answer 1

Answer:

$23 {}^{2} - 22 { }^{2} \\ = 529 - 484 \\ = 45$

$101 {}^{2} - 100 {}^{2} \\ = 10201 - 10000 \\ = 201$

$551 {}^{2} - 550 {}^{2} \\ = 303601 - 302500 \\ = 1101$

Explanation:

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Answer 2

Answer:

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