If a^2 is an integer and root(a^6-a^4-b-1) = 10. What are the values of a^2 and b?
1) a^2 = root(a^2+20)
2) Product of b and (b-1) is the only even prime number
1) a^2 = root(a^2+20)
2) Product of b and (b-1) is the only even prime number
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