The summation is given as $\sum_{i=1}^{5} a_{i}^{2}+\sum_{i=1}^{5} b_{i}^{2}$. However, based on the explanation, we are only interested in the terms where $i$ is 4 and 5. So, we need to find the values of $a_{4}^{2}$, $a_{5}^{2}$, $b_{4}^{2}$, and $b_{5}^{2}$.
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