x⁴+x²+1=0 please answer the question using factorization method
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Answer:
x4+x2+1=0
It can be written as
(x2+1)2−x2=0
(x2−x+1)(x2+x+1)=0
In above step I used (a2−b2)=(a−b)(a+b)
Now
(x2−x+1)=0 & (x2+x+1)=0
Now we have two quadratic equations. We can use the quadratic formula.
Thanks
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