AP EAMCET Engineering 20 Apr 2019 Shift 2 Paper

Section: Mathematics
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Question : 34 of 160
 
Marks: +1, -0
If |
→
a
|
= 1 , |
→
b
|
= 1 , |
→
c
|
= 2 and
→
a
×(
→
a
×
→
c
)
+
→
b
=
→
0
, then (
→
a
.
→
c
)
2
=
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