Question

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(b) Factorise the given expression completely : x^4 + x^2+1
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Answer 1

Answer:

(x²+x+1)∗(x²−x+1)

Step-by-step explanation:

x⁴+x²+1=x⁴+x³+x²−x³−x²−x+x²+x+1

=x²(x²+x+1)−x(x²+x+1)+(x²+x+1)

=(x²+x+1)∗(x²−x+1)

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