Question

The Product of all roots of (x + 1/x)^2 - 3/2[x-1/x] =4?

Answer 1

simplify the left expression first.

Answer 2

x^2 + 2 + 1/x^2 - 3/2*x + 3/2x-4 =0

Answer 3

i think i have to multiply by x^2 through out

Answer 4

Hmm ... why do you make things complicated ..?? take a good observation!

Answer 5

aha.......we take make this into quadratic eq

Answer 6

nop that wont work!

Answer 7

let \[t=x-\frac{1}{x}\]

Answer 8

and Yahoo! how do you make (x +1/x)^2 to (x - 1/x)^2 ??

Answer 9

wat r u saying lol

Answer 10

wat r we saying lol

Answer 11

okay this is pretty useful trick ...