Determiner et construire l.ensemble des points M tel que: 3MA^2 +MB^2 −MC^2 =−42 Le plan est muni d.un repere orthonorme (O,I,J) A(1,2) B(−2,3) C(1,9). on considere que O=barycentre{(A,3);(B;1);(C;−1)}


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Question Number 77296 by mathocean1 last updated on 05/Jan/20
$Determiner et construire l.ensemble des points M tel que: 3MA^2 +MB^2 −MC^2 =−42 Le plan est muni d.un repere orthonorme (O,I,J) A(1,2) B(−2,3) C(1,9). on considere que O=barycentre{(A,3);(B;1);(C;−1)}$
$Determiner et construire l . ensemble$ $des points M tel que :$ ${3 MA}^{2} + {MB}^{2} - {MC}^{2} = - 42$ $Le plan est muni d . un repere$ $orthonorme (O, I, J)$ $A (1, 2) B (- 2, 3) C (1, 9) .$ $on considere que$ $O = barycentre {(A, 3); (B; 1); (C; - 1)}$
Commented by mathocean1 last updated on 05/Jan/20

${please}^{'} help me$
Commented by jagoll last updated on 05/Jan/20

$what language is this sir ?$
Commented by MJS last updated on 05/Jan/20

$French$ $could someone translate to English please$
Commented by mathmax by abdo last updated on 05/Jan/20
$detemine and construct the set of points M wich verify 3MA^2 +MB^2 −MC^2 =−42 the plan is provided with a orthonormal reference (or repere) (0,i,j) let A(1,2),B(−2,3) and C(1,9) for that consider the barycentre of the systeme {(A,3),(B,1) ,(C,−1)}$
$d e t e m i n e a n d c o n s t r u c t t h e s e t o f p o i n t s M w i c h v e r i f y$ $3 {M A}^{2} + {M B}^{2} - {M C}^{2} = - 42 t h e p l a n i s p r o v i d e d w i t h a o r t h o n o r m a l$ $r e f e r e n c e (o r r e p e r e) (0, i, j) l e t A (1, 2), B (- 2, 3) a n d C (1, 9)$ $f o r t h a t c o n s i d e r t h e b a r y c e n t r e o f t h e s y s t e m e$ ${(A, 3), (B, 1), (C, - 1)}$
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