If the sum of a number and its reciprocal be 2, then the number is
Let the number be $$x$$
=> $$x+\frac{1}{x}=2$$
=> $$x^2+1=2x$$
=> $$x^2-2x+1=0$$
=> $$(x-1)^2=0$$
=> $$x-1=0$$
=> $$x=1$$
=> Ans - (B)
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