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If x1=3,x2=4,x3=1,x4=5,f1=1,f2=2,f3=2,f4=1x_{1}=3, x_{2}=4, x_{3}=1, x_{4}=5, f_{1}=1, f_{2}=2, f_{3}=2, f_{4}=1 , Find ∑i=24xi2\sum_{i=2}^{4} x_{i}^{2}

Question 37

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If x1=3,x2=4,x3=1,x4=5,f1=1,f2=2,f3=2,f4=1x_{1}=3, x_{2}=4, x_{3}=1, x_{4}=5, f_{1}=1, f_{2}=2, f_{3}=2, f_{4}=1 , find ∑i=24xi2\sum_{i=2}^{4} x_{i}^{2} .

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