13.
The factorisation X2+2+1/x2
(x/2-1)
(x/2 +1)
(x+1/x)?
(x- 1/x)
Answers
Answered by
0
Step-by-step explanation:
x2+2+1/x2
x2+3/x2
x2/x2+3/x2
1+3/x2
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