v=-3i+j, w=4i-2j Find: 1) 4v-3w does this equal -24i-2j 2) ||V+W|| does this equal [tex] \sqrt{i^2-j^2} [ /math] I have an error if I take out the space between [ / that I do not know how to fix. 3) How can I find the angle between v and w?
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Originally Posted by IDontunderstand v=-3i+j, w=4i-2j Find: 1) 4v-3w does this equal -24i-2j yes 2) ||V+W|| does this equal [tex] \sqrt{i^2-j^2} [ /math] I have an error if I take out the space between [ / that I do not know how to fix. 3) How can I find the angle between v and w? btw, [tex] tags don't work ... use [tex] tags
I figured it out thanks
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