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Given three points P(1, -1, 0) , Q(0, 1, 2) and R(-1, -1, 1) , find the distance from the point P to the line passing through the points Q and R.
Developing Countries
Nations with lower levels of industrialization, underdeveloped economic infrastructure, and lower living standards.
Low-Income Countries
Nations with a gross national income (GNI) per capita below a specific threshold set by international organizations.
Middle-Income Countries
Nations with a gross national income (GNI) per capita that falls between low-income and high-income thresholds defined by international financial institutions.
Infant Mortality Rate
A statistical measure representing the number of infant deaths per 1,000 live births in a given year.
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