Question

(2+✓2) (2_✓2 ) is a what number
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Answer 1

Step-by-step explanation:

its rational number because it will 4 - 2 = 2

Answer 2

★Question:

(2+✓2) (2-✓2 ) is a what number

★ ⦋Answer⦌:

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