Question

Find the product of (8+ √2) (8 - √2)

Answer 1

Answer:

8^2 ×✓2^2

=64×2

=128

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Answer 2

Answer:

(8+√2)(8-√2)

According to the identity

a^2-b^2 = (a+b)(a-b)

(8)^2-(√2)^2

64-2

62

So the answer is 62.

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