U=5i+11j and V=2i-3j, find 2U-7U
5 answers
not sure you mean that
thats the problem i have..? the answers may be: 24i+43, -4i+j, -4i+43j, or 24i+j
2U-7U
must be a TYPO
maybe 2 U - 7V ?
or 2V - 7 U ???
must be a TYPO
maybe 2 U - 7V ?
or 2V - 7 U ???
its 2U-7V
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.
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.