the geometric mean of (1+root2)and (7+5root2
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Answer:
[tex](1 + \sqrt{2)} (7 + 5 \sqrt{2) } [/tex]
[tex]7 + 7 \sqrt{2} + 5 \sqrt{2} + 5 \sqrt({2}) {}^{2} [/tex]
[tex]7 + 7 \sqrt{2 } + 5 \sqrt{2} + 10[/tex]
[tex]17 + \sqrt{2} (7 + 5)[/tex]
[tex]17 + 12 \sqrt{2} [/tex]
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