find the root of the equation1 x+1|x=3
Answers
Answered by
0
Step-by-step explanation:
when you remove modules it will provide you ± sign as in + sign equation is solved and answer is (-1±√13)/2 and with - sign (1±√13)/(-2)
Answered by
1
Answer:
x+1/x=3
x²+1/x=3
x²+1=3x
x²-3x+1=0
a=2, b=-3, c=1
x=-b±√b²-4ac/2a
x=-(-3)±√(-3)²-4(1)(1)/2(1)
x=3±√9-4/2
x=3±√5/2
x=3+√5/2 or x=3-√5/2
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