Question

Solve (2 + √2)(2-√2)​

Answer 1

Answer:

Answer:remember the formula

Answer:remember the formula it is (a+b)*(a-b) = a² - b²

on placing values u will get 2²-(√2)²

2²-(√2)²4-2 = 2

-Step-by-step explanation:

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Answer 2

1. step. 2(-√2)+√2(2-√2)

2. step. 2×2-2×√2+√2×2+√2×√2

3. step. 4-2√2+2√2+√2×2

4. step. answer- 4-2√2+2√2+√4

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