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Cody · Q18

Number & counting

How many positive integer pairs (x,y)(x,y) satisfy

x3+9x2y+27xy2+27y3=318?x^3+9x^2y+27xy^2+27y^3=3^{18}?
A00
B363^6
C36−13^6-1
D353^5
E35−13^5-1

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