Factorise : x⁴-3x²+2
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Answer:
x4-(2+1)x2+2
=x4-2x2-x2+2
in this way dear.......
Answer:
x⁴-3x²+2
put x²= y
then our new equation will be
y²-3y+2
by splitting we get
y²-2y-y+2
y(y-2)-1(y-2)
(y-1)(y-2)
now re subsitiute
(x²-1)(x²-2)
here is your factor
thank you