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If x + y = 1 and xy(xy - 2) = 12, then t...

If x + y = 1 and xy(xy - 2) = 12, then the value of `x^4+y^4` is:
यदि x + y = 1 और xy(xy - 2) = 12, है, तो `x^4+y^4` का मान क्या होगा ?

A

a)19

B

b)25

C

c)20

D

d)23

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