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Q: Which of the following is the conjugate of the surd √7 – 2?
A. √7 + 2 B. - √7 – 2
C. Either (1) or (2) D. None of these

Answer and Explanation

Answer:- √7 – 2

Explanation:
the conjugate of a mixed quadratic surd is retained by changing the
sign of the irrational term.
=>The conjugate of √7 – 2 is - √7 – 2

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