rtcannon3 rtcannon3

16-11-2017
Mathematics

contestada

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!

Respuesta :

mathstudent55 mathstudent55

16-11-2017

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.

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