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EAMCET Engineering 2008 Solved Paper
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© examsnet.com
Question : 2
Total: 160
The component of vector
→
A
=
a
x
^
i
+
a
y
^
j
+
a
z
^
k
along the direction of
^
i
−
^
j
is
a
x
−
a
y
+
a
z
a
x
−
a
y
(
a
x
−
a
y
)
√
2
(
a
x
+
a
y
+
a
z
)
Validate
Solution:
Let
→
B
=
^
i
−
^
j
Then component of vector
→
A
along
→
B
=
→
A
⋅
→
B
|
→
B
|
=
(
a
x
^
i
+
a
y
^
j
+
a
z
^
k
)
⋅
(
^
i
−
^
j
)
|
^
i
−
^
j
|
=
a
x
−
a
y
√
2
© examsnet.com
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