Solution
Solution
+2
Solution steps
Complete the square
Move to the right side
Multiply both sides by
For , if is even then
Combine the intervals
Popular Examples
Frequently Asked Questions (FAQ)
What is -k^2+2k+1<= 0 ?
The solution to -k^2+2k+1<= 0 is k<=-sqrt(2)+1\lor k>= sqrt(2)+1