Mathematics · Coordinate Geometry
मान लीजिए कि x - 3y + 4 = 0 और 2x - 7y + 8 = 0 एक द्विवरी डेटा (bivariate data) से परिकलित दो प्रतिगमन रेखाएँ (lines of regression) हैं। यदि byx और bxy क्रमशः y का x पर और x का y पर प्रतिगमन गुणांक हैं, तो bxy + 7byx का मान क्या है?
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