Show that if c is a scalar then ||cu||=|c|||u|| let u then ||u||= cu= then ||cu||= I guess I messed something up because this looks like I disproved it.
Last edited by Jskid; February 9th 2011 at 08:22 PM. Reason: changed latex
Follow Math Help Forum on Facebook and Google+
Originally Posted by Jskid Show that if c is a scalar then ||cu||=|c|||u|| let u then ||u||= cu= then ||cu||= I guess I messed something up because this looks like I disproved it. Where did the come from in the If I factor I get not
Last edited by TheEmptySet; February 14th 2011 at 01:47 PM. Reason: typo
Originally Posted by Jskid Show that if c is a scalar then ||cu||=|c|||u|| let u then ||u||= cu= then ||cu||= I guess I messed something up because this looks like I disproved it.
View Tag Cloud