Solve simultaneously 2x + y − z = 8 ........... (i) x^2 − y^2 +2z^2 = 14 .......... (ii) 3x^3 + 4y^3 + z^3 = 195 ......... (iii) please help me.


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Question Number 5802 by sanusihammed last updated on 28/May/16

$S o l v e s i m u l t a n e o u s l y$ $2 x + y - z = 8 . . . . . . . . . . . (i)$ $x^{2} - y^{2} + 2 z^{2} = 14 . . . . . . . . . . (i i)$ $3 x^{3} + 4 y^{3} + z^{3} = 195 . . . . . . . . . (i i i)$ $p l e a s e h e l p m e .$
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