How do solve #1/x^2-1<=0# graphically?
1 Answer
Jan 9, 2018
Explanation:
First, add 1 to both sides so that you end up with
Then, plot the graph of
graph{1/x^2 [-10, 10, -5, 5]}
To find the range of x for which
graph{(y-1/x^2)(y-1)=0 [-10, 10, -5, 5]}
As you can see from this graph,
Thus the solution to