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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §15.2 Line Integrals, #17 · Multivariable Calculus · Vector calculus

For which powers … is … a gradient by test D

For which powers $n$ is $S / r^{n}$ a gradient by test D?

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §15.2 Line Integrals, #17

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