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Byju's Answer
Standard XII
Physics
Vector Component
A=6.00î-8.00ĵ...
Question
¯
¯¯
¯
A
=
6.00
^
i
−
8.00
^
j
units,
¯
¯¯
¯
B
=
8.00
^
i
+
3.00
^
j
units and
¯
¯¯
¯
C
=
26.0
^
i
+
19.0
^
j
units. lf
a
¯
¯¯
¯
A
+
b
¯
¯¯
¯
B
+
¯
¯¯
¯
C
=
0
, the values of
a
and
b
are
A
111
123
a
n
d
−
161
41
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B
−
111
123
a
n
d
−
161
41
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C
111
123
a
n
d
161
41
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D
−
111
123
a
n
d
161
41
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Solution
The correct option is
A
111
123
a
n
d
−
161
41
Equating the components of
^
i
and
^
j
we get:
6
a
+
8
b
+
26
=
0
−
8
a
+
3
b
+
19
=
0
Solving these 2 equations we get:
Values of
a
and
b
are
111
123
and
−
161
41
.
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0
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