JEE Main 201911 Jan, Morning shiftMathematicsEasySequence and Series179× since 2002Let a₁, a₂, . . . . . ., a₁₀ be a G.P. If a3a1=25,{{{a_3}} \over {{a_1}}} = 25,a1a3=25, then a9a5{{{a_9}} \over {{a_5}}}a5a9 equalsAOption A. 5³BOption B. 2(5²)COption C. 4(5²)DOption D. 5⁴CheckSkip · show solution