lf x-1/2 =-x ,find the value of x²+1/x²
Answers
Answered by
2
Answer:
x+1/x=2
As we know that
(a+b)²=a²+b²+2ab
(x+1/x)²=(2)²
x²+1/x²+2=4
x²+1/x²=4-2
x²+1x²=2
hope this will help you
Explanation:
Similar questions