# Squrare Sum

$9^{2}=a^{2}+b^{2}+c^{2}+d^{2}$

If all $$a,b,c$$ and $$d$$ are positive integers, find $$a,b,c$$ and $$d$$.

Details and Assumptions

• $$a,b,c$$ and $$d$$ are distinct
• Enter the answer as $$a \times b \times c \times d$$
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