JEE Math Practice Question
If the arithmetic mean of two numbers a and b, a > b > 0, is five times their geometric mean, then $${{a + b} \over {a - b}}$$ is equal to :
- A.$${{\sqrt 6 } \over 2}$$
- B.$${{3\sqrt 2 } \over 4}$$
- C.$${{7\sqrt 3 } \over {12}}$$
- D.$${{5\sqrt 6 } \over {12}}$$
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