Hey, everyone! Could someone help in this question below? The vectors (1, 2, 5), (3, 2, 1) and (9, 2, −11) in R^3 generate the vector subspace to wich belongs the vector? a) (−20, −8, 12) b) (2, 10, 33) c) (9, 10, 18) d) (5, 2, −2) e) (31, 18, 0) Why are my posts never resolved?


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Question Number 48724 by indalecioneves last updated on 29/Nov/18

$H e y, e v e r y o n e!$ $C o u l d s o m e o n e h e l p i n t h i s q u e s t i o n b e l o w ?$ $T h e v e c t o r s (1, 2, 5), (3, 2, 1) a n d (9, 2, - 11) i n R^{3} g e n e r a t e t h e v e c t o r s u b s p a c e t o w i c h b e l o n g s t h e v e c t o r ?$ $a) (- 20, - 8, 12)$ $b) (2, 10, 33)$ $c) (9, 10, 18)$ $d) (5, 2, - 2)$ $e) (31, 18, 0)$ $W h y a r e m y p o s t s n e v e r r e s o l v e d ?$
Commented by ajfour last updated on 30/Nov/18

$T h e s u b s p a c e e x t e n d s f r o m x = 1 t o$ $x = 9, y = 2, z = - 11 t o z = 5$ $t a k i n g m i n a n d m a x o f$ $x, y, a n d z c o o r d i n a t e s;$ $o n l y (5, 2, - 2) b e l o n g s t o t h i s r e g i o n .$
	Answered by ajfour last updated on 29/Nov/18

	$d) (5, 2, - 2) .$
	Commented by indalecioneves last updated on 30/Nov/18

	$T h a n k y o u, S i r!$ $B u t I^{'} d l i k e o f r e s o l u t i o n, t o o .$
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