if x-1/x=3 then find x+1/x
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Answer:
-1
Step-by-step explanation:
x - 1/x = 3
x - 1 = 3x
x - 3x = 1
-2x = 1
2x = -1
x = -1/2
x + 1/x = -1/2 + 1/ -1/2
= -1 + 2/2/-1/2
= 1/2/-1/2
= 1/2 x 2/-1
= 1/-1
= -1
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