A = 3 + 4; + 5k ; B = į - j- 2k; C
then A + B + C =
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1
Answer:
If
a
=
i
^
+2
j
^
+
k
^
,
b
=2
i
^
+
j
^
and
c
=3
i
^
−4
j
^
−5
k
^
, then find a unit vector perpendicular to both of the vectors (
a
−
b
) and (
c
−
b
).
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