solve-x-x-2-1-x-x-2-1-x-x-2-1-x-x-2-1-98-

Question Number 171871 by Mikenice last updated on 21/Jun/22

s o l v e :

\frac{x + \sqrt{x^{2} - 1}}{x - \sqrt{x^{2} - 1}} + \frac{x - \sqrt{x^{2} - 1}}{x + \sqrt{x^{2} - 1}} = 98

Commented by infinityaction last updated on 21/Jun/22

\pm 5

Commented by Mikenice last updated on 21/Jun/22

p l e a s e s i r s h o w t h e s o l u t i o n

Answered by Rasheed.Sindhi last updated on 21/Jun/22

\frac{{(x + \sqrt{x^{2} - 1})}^{2} + {(x - \sqrt{x^{2} - 1})}^{2}}{x^{2} - x^{2} + 1} = 98

2 x^{2} + 2 (x^{2} - 1) = 98

4 x^{2} - 2 = 98

4 x^{2} = 100

x = \pm 5

Commented by Mikenice last updated on 23/Jun/22

t h a n k s s i r