1.

If \(3\sqrt {\frac{{1{\rm{\;}} - {\rm{\;}}a}}{a}} + 9 = 19 - 3\sqrt {\frac{a}{{1{\rm{\;}} - {\rm{\;}}a}}} \), then what is the value of a?

A. 3/10, 7/10
B. 1/10, 9/10
C. 2/5, 3/5
D. 1/5, 4/5
Answer» C. 2/5, 3/5


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