If x-1/x = -1 , then find the value of
shreyy1:
x-1/x=-1 so x/x-1/x=-1 so 1-1/x=-1 so -1/x=-2 so -1=-2x so 1=2x so x=1/2 ANSWER
Answers
Answered by
0
x-1/x = -1
Squaring on both sides
x^2 + 1/x^2 - 2.x.1/x = -1
x^2 + 1/x^2 - 2 = -1
x^2 + 1/x^2 = 1
Squaring on both sides
x^2 + 1/x^2 - 2.x.1/x = -1
x^2 + 1/x^2 - 2 = -1
x^2 + 1/x^2 = 1
Similar questions