Question

$a = 62.b = 7$
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Answer 1

Answer:

a = 62

b = 7

$(a + b)^{2} = a^{2} + 2ab + b^{2}$

$= (62)^{2} + 2(62)(7) + (7)^{2}$

$= 3844 + 868 + 49\\= 4761$

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