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15 votes
What is the extraneous solution? 2/x^2-1 -1/x-1 = 1/x+1

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User Thuyein
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2 Answers

8 votes
3 roots is the answer hope this helps
answered
User Floele
by
8.5k points
6 votes

Explanation:

2/x^2-1 = 1/ x +1 + 1/ x-1

2/x^2-1 = 1

2=x^2-1

x^2 = 3

x= root 3

answered
User Ellioh
by
8.9k points

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