Find the slope of the lines:(a) Passing through the points $\left(3,2\right)$and $\left(1.4\right)$,(b) Passing through the points $\left(3,2\right)$and $\left(7,2\right)$,(c) Passing through the points $\left(3,2\right)$and $\left(3,4\right)$,(d) Making inclination of $60o$with the p

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