If a = 0.1039, then the value of $$\sqrt {4{a^2}

Question

If a = 0.1039, then the value of $$\sqrt {4{a^2} - 4a + 1} + 3a$$ is:

Options:

A . 0.1039

B . 0.2078

C . 1.1039

D . 2.1039

Answer: Option C

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