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1970

Centuries: 19th century - 20th century - 21st century

Years: 1965 1966 1967 1968 1969 - 1970 - 1971 1972 1973 1974 1975

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 Product Rule (Calculus) ... derivative of v: $\frac{d}{dx} (uv) = \left( \frac{du}{dx} \right) v + u \left( \frac{dv}{dx} \right)$ or as a statement abou ...