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प्रश्न
Choose the correct alternative.
Corr `("x - a"/"c", "y - b"/"d")` = - corr (x, y) if,
पर्याय
c and d are opposite in sign
c and d are same in sign
a and b are opposite in sign
a and b are same in sign
उत्तर
c and d are opposite in sign
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संबंधित प्रश्न
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