1.

If x square - 1/x square =66 find x- 1/x

Answer» No we cannot use (a+b)^2 we hv to use (a+b)(a-b).but still can u pls recheck the question.
And equAtion will be solved
Put value of x-1/x
Take a-b as x-1/x
Sry a-b whole square =a square +b sq.-2ab
Using id. (A+b) whole square =a square +b square+2ab


Discussion

No Comment Found