We know the identity (a + b + c)2 = a2 + b2 + c2 + 2ab + 2ac + 2bc (4)2 = 8 + 2(xy + yz + zx) (xy + yz + zx) = 8/2 = 4 a3 + b3 + c3 = (a + b + c) (a2 + b2 + c2 – ab – bc – ca) + 3abc So, x3 + y3 + z3 = 4(8 – (4)) + 3(6) = 16 + 18 = 34
Which of the following statements is/are not true regarding I?
Which of the following pairs represents the immediate neighbours of Rishi?
What is the position of O with respect to Z?
Which of the following statements is /are definitely false?
I. M sits at extreme left end of the row
II. Five persons sit to the right of ...
Four among the following five are alike in a certain way and hence form a group. Which of the following does not belong to the group?
Who among the following sits on the extreme ends of the row?
Who among the following pair of persons are sitting opposite to each other?
I. WM
II. YN
III. UM
IV. VO
Four of the following five are alike in a certain way and hence form a group. Find the one that doesn’t belong to that group.
Who among the following sits at one of the extreme ends?
Seven friends, A, B, C, D, E, F and G, are sitting around a circular table, facing towards the centre. A is sitting to the immediate right of E. B is no...
