1.

If x1+x2+x3=0,y1+y2+y3=0 and x1y1+x2y2+x3y3=0, then the value of x21x21+x22+x23+y21y21+y22+y23 is (correct answer + 2, wrong answer - 0.50)

Answer»

If x1+x2+x3=0,y1+y2+y3=0 and x1y1+x2y2+x3y3=0, then the value of x21x21+x22+x23+y21y21+y22+y23 is
(correct answer + 2, wrong answer - 0.50)



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