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Question #198264
a = 3i + 2j and b = -4i + 3j, determine B - A
Expert's answer
b
⃗
−
a
⃗
=
−
4
i
⃗
+
3
j
⃗
−
(
3
i
⃗
+
2
j
⃗
)
=
−
7
i
⃗
+
j
⃗
\vec b-\vec a=-4\vec i+3\vec j-(3\vec i+2\vec j)=-7\vec i+\vec j
b
−
a
=
−
4
i
+
3
j
−
(
3
i
+
2
j
)
=
−
7
i
+
j
b
⃗
−
a
⃗
=
−
7
i
⃗
+
j
⃗
\vec b-\vec a=-7\vec i+\vec j
b
−
a
=
−
7
i
+
j
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on Dec 2023
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