Question

simplify : ( 2 root 2 + 3 root 3 ) ( 2 root 2 - 3 root 3 )

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Answer 1

Answer

$2\sqrt{2} + 3\sqrt{3} - 2\sqrt{2} - 3\sqrt{3}$

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

$(2\sqrt{2} )^{2} - (3\sqrt{3} )^{2}$

= 8-27

= -19

Answer 2

Answer:

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