AP EAMCET Engineering 24 Apr 2017 Shift 1 Paper

Section: Mathematics
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Question : 32 of 160
 
Marks: +1, -0
If in a right angled triangle ABC, the hypotenuse |
−
AB
|
=p
then
−
AB
.
−
AC
+
−
BC
.
−
BA
+
−
CA
.
−
CB
=
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