Question

(3√2-1)(3√2+1)
please solve this​

Answer 1

Answer:

$you \: know \: \: that.... \\ \\ (x - y)(x + y) = {x}^{2} - {y}^{2} \\ \\ \\ \\ = >( 3 \sqrt{2} - 1)(3 \sqrt{2} + 1) = \\ \\ \\ \\ = > ({3 \sqrt{2} })^{2} - {1}^{2} \\ \\ \\ \\ = > 18 - 1 = 17$

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Answer 2

Answer:

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