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26=\left(\sqrt{18}\right)^{2}+\left(\sqrt{8}\right)^{2}
The square of \sqrt{26} is 26.
26=18+\left(\sqrt{8}\right)^{2}
The square of \sqrt{18} is 18.
26=18+8
The square of \sqrt{8} is 8.
26=26
Add 18 and 8 to get 26.
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Compare 26 and 26.
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