Asked by Sasha
Solve for x
-1= (1/x) +(1/(x^2))
-1= (1/x) +(1/(x^2))
Answers
Answered by
bobpursley
multipy both sides by x^2
-x^2=x+1
now solve it.
0=x^2+x+1
which is not easily solved
Using the quadratic formula
x=(-1+- sqrt(1-4))/2 but notice the sqrt is a sqrt(-3), which is an imaginary number, so your roots are complex, not real.
-x^2=x+1
now solve it.
0=x^2+x+1
which is not easily solved
Using the quadratic formula
x=(-1+- sqrt(1-4))/2 but notice the sqrt is a sqrt(-3), which is an imaginary number, so your roots are complex, not real.
Answered by
Reiny
multiply each term by x^2, which is the LCM
- x^2 = x + 1
x^2 + x + 1 = 0
use the quadratic equation to find the two complex roots.
- x^2 = x + 1
x^2 + x + 1 = 0
use the quadratic equation to find the two complex roots.
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