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(-(3n)/(18n^(2) ) )^(-18) * (-6n)^(-15)

User Realli
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\left( - (3n)/(18n^2)\right)^(-18) *(-6n)^(-15)\\\\\\= \left(-(1)/(6n) \right)^(-18) * (1)/((-6n)^(15))\\\\\\=\left[(-6n)^(-1)\right]^(-18) * \frac 1{(-6n)^(15)}\\\\\\=(-6n)^(18) * \frac 1{(-6n)^(15)}\\\\=(-6n)^(18-15) \\\\=(-6n)^3\\\\=-216n^3

User Brijesh Bhatt
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