A is equals to root 3 minus root 2 upon root 3 + root 2 b is equals to root 3 + root 2 upon root 3 minus root 2 find a square + b square minus 5 a b
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a root is 3-2 upon root is 3+2,3+2upon root is 3-2is equal to=3-2,3+2,3+2,3-2,4+5=17
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identities used are (a+b)×(a-b)=a²-b²
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