Question

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Answer 1

Answer: (c) 0

Step-by-step explanation:

x²+1/x² = 1 ; or,( x^4+1) / x^2 = 1 ; or, x^4+1 = x^2 ; or, x^4-x^2+1 = 0

∴(1+x^6) = 1³+(x²)³ = (1+x²) × (1-x²+x^4)

= (1+x²) × 0 = 0