Question

(√2+1-√2+1) ²=???? please answer

Answer 1

Answer:

$= ( \sqrt{2} + 1 - \sqrt{2} + 1) {}^{2} \\ = (1 + 1) {}^{2} \\ = (2) {}^{2} \\ = 4$

Answer 2

Answer:

(1+1)² = 2² = 4

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