Question

x^4 + 3x^2 + 4 factorise​

Answer 1

Answer:

Hope it's helpful for you

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

x⁴+3x²+4

=x⁴+4x²-x²+4

=x²(x²+4)-1(x²+4)

=(x²-1)(x²+4) (ans)

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