Factorise-
x^4+5x^2+9
Answers
Answered by
146
X4 + 5X2 + 9
X4 + 5X2 + X2 + 9 - X2
X4 + 6X2 + 9 - X2 group 3 and factor
(X2 + 3) (X2 + 3) - X2
(X2 + 3) 2 - X2 this is a difference of squares
(X2 + 3 – X) (X2 + 3 + X) rearrange
(X2 – X +3) (X2 + X +3)
Answered by
45
are the factors of x^4 + 5x^2 + 9.
Step-by-step explanation:
To factorize:
=
=
= ......by putting
= (x + y)(x - y)
Thus, the factors of are
Learn more: factorize
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