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## Answers

⇒ x²+1 = -x

⇒ (x²+1)/x = -1

Now,

Put the value of (x²+1)/x from Equn (1) ,

=(-1)³ [(-1)²-3]³

= -(-2)³ = 8

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⇒ x²+1 = -x

⇒ (x²+1)/x = -1

Now,

Put the value of (x²+1)/x from Equn (1) ,

=(-1)³ [(-1)²-3]³

= -(-2)³ = 8