What is the conjugate of the binomial surd $5 + \sqrt{3}$

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5 - \sqrt{3}

3 + \sqrt{5}

\sqrt{5} + \sqrt{3}

\sqrt{5} - \sqrt{3}

answer is A.

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Detailed Solution

Given binomial surd

5 + \sqrt{3}

.
The complex conjugate of a complex number is the number with an equal real part and an imaginary part equal in magnitude but opposite in sign.
The conjugate of

5 + \sqrt{3}

5 - \sqrt{3}

.
Therefore, option (1) is correct.

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