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Question Number 36154 by SammyKT last updated on 29/May/18

Q . I f x \neq y \neq z a n d | \begin{matrix} x & x^{3} & x^{4} - 1 \\ y & y^{3} & y^{4} - 1 \\ z & z^{3} & z^{4} - 1 \end{matrix} | = 0

P r o v e t h a t x y z (x y + y z + z x) = (x + y + z)

p l e a s e h e l p .