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V= 4(h^3 +1)^0.5 - 4, find dv/dh when h=2

V= 4(h³+1)^0.5- 4 dV/dh= (4x 0.5) x 3h² x (h³+1)^-0.5 => 6h²(h³+1)^-0.5 Substitute h=2 into dV/dh => (6x2²)x(2³+1)^-0.5 => 24 x 1/3 = 8

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