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NEED HELP REALLY BAD!! PLEASE SHOW ME HOW TO DO THIS PROBLEM!!! Suppose a and x satisfy x^2 + (a - 1/a)x - 1 = 0. Solve for x in terms of a. thx!
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1 vote
NEED HELP REALLY BAD!!

PLEASE SHOW ME HOW TO DO THIS PROBLEM!!!

Suppose a and x satisfy x^2 + (a - 1/a)x - 1 = 0. Solve for x in terms of a.

thx!

User Roberth
by
6.7k points

1 Answer

6 votes
Use the quadratic formula.
In the quadratic formula, a = 1; b = a - 1/a; c = -1.
Don't confuse the a of the quadratic formula (the coefficient of the x^2 term) with the a of this problem.
User VAr
by
6.1k points
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