Let a1, a2, . . . . . ., a10 be a G.P. If ${{{a_3}} \over {{a_1}}} = 25,$ then ${{{a_9}} \over {{a_5}}}$ equals

Question

Let a₁, a₂, . . . . . ., a₁₀ be a G.P. If ${{{a_3}} \over {{a_1}}} = 25,$ then ${{{a_9}} \over {{a_5}}}$ equals

5³

2(5²)

4(5²)

5⁴

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