Posted by **ky** on Thursday, May 17, 2012 at 5:02pm.

U=5i+11j and V=2i-3j, find 2U-7U

- TYPO -
**Damon**, Thursday, May 17, 2012 at 5:24pm
not sure you mean that

- trig -
**ky**, Thursday, May 17, 2012 at 5:36pm
thats the problem i have..? the answers may be: 24i+43, -4i+j, -4i+43j, or 24i+j

- trig -
**Damon**, Thursday, May 17, 2012 at 5:37pm
2U-7U

must be a TYPO

maybe 2 U - 7V ?

or 2V - 7 U ???

- trig -
**ky**, Thursday, May 17, 2012 at 5:39pm
its 2U-7V

- trig -
**Damon**, Thursday, May 17, 2012 at 5:41pm
2 U = 10 i + 22 j

7 V = 14 i - 21 j

----------------- subtract for 2 U - 7 V

= -4 i + 1 j

but I have no idea if that is what you want. Please repair typo.

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