contestada

Q2) If a =î-2ĵ+2k, b = î+2j, and 2 =î -ĵ+k:
a.
Find a (b + c).
b.
Find a x b.
C.
Find à x (b + c).
d. Find the angle between a and b.

Q2 If a î2ĵ2k b î2j and 2 î ĵk a Find a b c b Find a x b C Find à x b c d Find the angle between a and b class=