The number of real roots of the equation 5+|2x-1|=2x(2x-2) is:
3
1
4
2
Solution:
Let 2x=t and t is always +ve g(t)=5+|t-1| f(t)=t^2-2t From the graph g(t) and f(t) intersect at two points but one value of t is negative and only one value of t is positive So, the number of real roots is 1