# A = (x 8 - 1)/(x 4 + 1) and B = (y 4 - 1)/(y 2 + 1). If x = 2 and

| A = (x

^{8}- 1)/(x^{4}+ 1) and B = (y^{4}- 1)/(y^{2}+ 1). If x = 2 and y = 9, then what is the value of A^{2}+ 2AB + AB^{2}?A. 96475

B. 98625

C. 92425

D. 89125

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### Right Answer is: B

#### SOLUTION

A^{2} + 2AB + AB^{2} =225+2400+96000=98625