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ab + bc + ca = 0 bc = - ab – ca ca = - ab – bc ab = -bc –ca Now, 1/(a2 - bc) + 1/(b2 - ca) + 1/(c2 - ab) = 1/(a2 - (-ab - ca)) + 1/(b2 - (-ab - bc)) + 1/(c2 - (-bc-ca)) =1/(a2 + ab+ca) + 1/(b2 + ab+bc) + 1/(c2 + bc+ca) = 1/(a(a + b + c)) + 1/(b(a + b + c)) + 1/(c(a + b + c)) = (bc + ca + ab)/(abc(a + b + c)) = 0/(abc(a + b + c)) = 0
A, B, C, D, E and F are sitting in a row. E and F are in the centre. A and B are at the ends. C is sitting to the left of A. Who is to the right of Piyush?
If S is related to X and W is related to T in a certain way, then who among the following person is related to R?
Seven persons I, J, K, L, M, N and O are sitting in the straight horizontal line facing towards the north. I sits extreme end of the line. One person si...
Six persons L, M, N, O, P, and Q sit in a linear row facing north direction but not necessarily in the same order. Two persons sit between N and P. P si...
Who sits second right of X?
How many persons are sitting between person R and person T?
Who sits opposite to G?
What is the position of P with respect to her sister?
If H is at extreme right end, then how many persons are sitting H and Z?
If O is related to L and M is related to N in a certain way. Then, who among the following is related to R?
