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4(3х-1)^3/4
((3*x-1)^3/4)'=9/(4*(3*x-1)^1/4)
((3*x-1)^3/4)'=(3/4)*((3*x-1)^(3/4-1))*((3*x-1))'=9/(4*(3*x-1)^1/4)
(3*x-1)'=3
Ответ:
9/(3*x-1)^(1/4)