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given - 4x² + y² = 40 and x y = 6 so now (2x+y) ² =4x² +y²+4xy = 40+4×6=64 (2x+y) =8
Which of the following is a second-order condition of short-run equilibrium of firm under perfect competition?
The variance of first n natural numbers is -
For the given 6 values 15, 24, 18, 33, 42, 54, the three yearly moving averages are -
If Q₁, Q₂ and Q₃ are three quartiles of a frequency distribution, which of the following holds if the distribution is negatively skewed?
...Supply Curve is a part of -
For discrete distribution, the co-efficient of kurtosis β₂ is -
Which of the following methods to measure seasonal variations comparatively utilizes the given data less?
Which of the following statement is not true?
Two random variables x and y have the following regression equations -
3x + 2y – 26 = 0
6x + y – 31 = 0
then, the mean values o...
The main aim of agricultural census is -
