jdoskbnjcdbjfbjdhjfjbjbvjnjjnjnjjnjnjnjnjnjnjjnjnjnjnjn
3 terms. Abcd is one term
E is another term. -h27 is the third term
3/5 doesn't belong with the other three
Then the second term’s denominator is
X^4 - 3x^2 + 2
= (x^2 - 1)(x^2 - 2)
Note that x^-1 is the difference of 2 squares:-
= (x + 1)(x - 1)(x^2 - 2) Answer
