If \( a_{1}, a_{2}, a_{3}, \ldots \ldots \) and \( b_{1}, b_{2}, b_...
If \( a_{1}, a_{2}, a_{3}, \ldots \ldots \) and \( b_{1}, b_{2}, b_{3}, \ldots \ldots \) are A.P., and \( a_{1}=2, a_{10}=3, a_{1} b_{1}=1=a_{10} b_{10} \), then \( a_{4} b_{4} \) is equal to
\( \mathrm{P} \)
(1) \( \frac{35}{27} \)
(2) 1
(3) \( \frac{27}{28} \)
(4) \( \frac{28}{27} \)
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