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प्रश्न
Find the slope of a line passing through the given pair of points (9,-2) and (-5,5)
उत्तर
Slope of line = `("y"_2 - "y"_1)/("x"_2 - "x"_1)`
= `(5 - (-2))/(-5 - 9)`
= `7/-14`
= -0.5
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