Question

Simplify the expression (√8 + √2) (√8 - √2)

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Answer 1

Answer:

we know ,(a+b)(a-b)=a^2-b^2

(√8+√2)(√8-√2)

=(√8)^2-(√2)^2

=8-2

=6

Answer 2

Answer:

6

Step-by-step explanation:

$( \sqrt{8} + \sqrt{2})( \sqrt{8} - \sqrt{2})$

Using

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

${( \sqrt{8}) }^{2} - {( \sqrt{2}) }^{2}$

$8 - 2 = 6$

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