25xT-4.by 5-3x10xt-8
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we know that,
a^(-t) = 1/a^t
a^b/a^c = a^(b-c)
using this in question :-
(5)²*(5)³*t^8/2*5*t⁴
5⁴*t⁴/2
(5t)⁴/2 (Ans)
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