Solution
Expression : $$\sqrt{4x^2-4x+1}$$
= $$\sqrt{(2x-1)^2}=(2x-1)$$ -------------(i)
It is given that $$x=1.1$$, substituting it in equation (i),
=> $$2(1.1)-1=2.2-1=1.2$$
=> Ans - (D)
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