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Simplify (3+ radical sign 2)(3- radical sign 2)

Simplify (3+ radical sign 2)(3- radical sign 2)-example-1
User Amar Kumar
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Answer:

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

Simplify (3+ radical sign 2)(3- radical sign 2)-example-1
User Chris Seymour
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